BJ, Ready AE, et al.: Serum ferritin and heart disease: the effect of moderate exercise on stored iron levels in postmenopausal women. Can J Cardiol 12:1253–1257, 1996.

187. National Research Council, Committee on Dietary Allowances: Recommended Dietary Allowances. Ed. 9. National Academy of Sciences, Washington, 1980.

188. Ibid. (pp. 125–164).

189. Ibid. (pp. 84, 85, 99-102).

190. Neal RA, Sauberlich HE: Thiamin. Chapter 6E. In: Modem Nutrition in Health and Disease. Ed. 6. Edited by Goodhart RS, Shils ME. Lea & Febiger, Philadelphia, 1980 (pp. 191, 193–196).

191. Neeck G, Riedel W: Thyroid function in patients with fibromyalgia syndrome. J Rheumatol 19:1120–1122, 1992.

192.-Nelson PJ, Pruitt RE, Henderson LL, et al.: Effect of ascoibic acid deficiency on the in vivo synthesis of carnitine. Biochem Biophys Acta 672:123–127, 1981.

193. Newham DJ, Jones DA, et al.: Repeated high-force eccentric exercise: effects on muscle pain and damage. J Appl Physiol 63:1381–1386, 1987.

194. Nichol CJ, Johnson IA: Energy metabolism of fast- and slow-twitch skeletal muscle in the rat: thyroid hormone induced changes. J Comp Physiol 142:465–472, 1981.

195. Nichols PJ: Short-leg syndrome. Br Med J 1:1863–1865, 1960.

196. Niederwiesner A: Inborn errors of pterin metabolism. Chapter 33. In: Folic Acid In Neurology, Psychiatry, and Internal Medicine. Edited by Botez MI, Reynolds EH. Raven Press, New York, 1979 (pp. 351, 354, 364, 365).

197. Norman EJ, Morrison JA: Screening elderly populations for cobalamin (vitamin B,2) deficiency using the urinary methylmalonic acid assay by gas chromatography mass spectrometry. Am J Med 94:589–594, 1993.

198. Nuviala RJ, Castillo MC, et al.: Iron nutritional status in female karatekas, handball and basketball players, and runners. Physiol Behav 59:449–453, 1996.

199. Nygard O, Nordrehaug JE, et al.: Plasma homocysteine levels and mortality in patients with coronary artery disease. N Engl J Med 337:230–236, 1997.

200. Paine CJ, Grafton WD, Dickson VL, et al.: Oral contraceptives, serum folate, and hematologic status. JAMA 231:731–733, 1975.

201. Parle JV, Fanklyn JA, et al.: Prevalence and follow-up of abnormal thyrotropin (TSH) concentrations in the elderly in the United Kingdom. Clin Endocrinol 34:77–83, 1991.

202. Parry GJ. Bredesen DE: Sensory neuropathy with low-dose pyridoxine. Neurology 35:1466–1468, 1985.

203. Passeri M: [Preventive role of vitamins in some old age diseases (author’s translation)]. Acta Vttaminol Enzymol 2:147-62, 1980.

204. Pauling L: Vitamin С and the Common Cold. W. H. Freeman, San Francisco, 1970.

205. Pelletier O: Vitamin С status of cigarette smokers and nonsmokers. Am J Clin Nutr 23:520–524, 1970.

206. Pfeiffer CC: Mental and Elemental Nutrients. Keats Publishing, New Canaan, Conn., 1975 (pp. 146, 251, 280, 281, 469).

207. Pincus JH: Folic acid deficiency: a cause of subacute combined system degeneration. Chapter 39. In: Folic Acid in Neurology, Psychiatry, and Internal Medicine. Edited by Botez Ml, Reynolds EH. Raven Press, New York, 1979 (p. 432).

208. Pincus JH, Reynolds EH, Glaser GH: Subacute combined system degeneration with folate deficiency. JAMA 221:496–497, 1972.

209. Plorde JJ: Amebiasis. Chapter 199. In: Harrison ’s Principles of Internal Medicine. Ed. 9. Edited by Isselbacher KJ, Adams RD, Braunwald E, et al. McGraw-Hill, New York, 1980 (pp. 863–864).

210. Plorde JJ: Minor protozoan diseases. Chapter 205. In: Harrison's Principles of Internal Medicine. Ed. 9. Edited by Isselbacher KJ, Adams RD, Braunwald E, et al. McGraw-Hill, New York, 1980 (pp. 887–888).

211. Plorde JJ: Cestode (tapeworm) infections. Chapter 213. In: Harrison’s Principles of Internal Medicine. Ed. 9. Edited by Isselbacher KJ, Adams RD, Braunwald E, et al. McGraw-Hill, New York, 1980 (pp. 916–917).

212. Pruthi RK, Tefferi A: Pernicious anemia revisited. Mayo Clin Proc 69: 144–150, 1994.

213. Rajaram S, Weaver CM, et al.: Effects of long-term moderate exercise on iron status in young women. Med Sci Sports Exerc 27:1105–1110,1995.

214. Randall HT: Water, electrolytes and acid-base balance. Chapter 8. In: Modem Nutrition in Health and Disease. Ed. 6. Edited by Goodhart RS, Shils ME. Lea & Febiger, Philadelphia, 1980 (pp. 368, 378).

215. Redler I: Clinical significance of minor inequalities in leg length. New Orleans Med SurgJ 104:308–312, 1952.

216. Robbins J, Rail JE, Gorden P: The thyroid and iodine metabolism. Chapter 19. In: Metabolic Control and Disease. Ed. 8. Edited by Bondy PK, Rosenberg LE. Saunders, Philadelphia, 1980 (pp. 1333, 1343–1345).

217. Roe DA: Drug-induced Nutritional Deficiencies. AVI Publishing, Westport, Conn., 1976 (pp. 7-17, 72, 73, 79–81, 85, 96–99, 150, 151, 160–167, 215–216, 223–227).

218. Ibid. (pp. 72, 83, 120, 217).

219. Romano TJ: Magnesium deficiency in patients with myofascial pain. J Myofasc Ther 1:11–12, 1994.

220. Romano TJ, Stiller JW: Magnesium deficiency in fibromyalgia syndrome. J Nutr Med 4:165–167, 1994.

221. Rose DP: Oral contraceptives and vitamin B6. Chapter 11. In: Human Vitamin B6 Requirements. National Academy of Sciences, Washington, 1978 (pp. 193–201).

222. Rosen NB: Physical medicine and rehabilitation approaches to the management of myofascial pain and fibromyalgia syndromes. Clin Rheum 8:881–916, 1994.

223. Rosenberg IH, Dyer J: The prevalence and causes оГ folic acid deficiency in the United States. Chapter 4. In: Folic Acid in Neurology, Psychiatry, and Internal Medicine, Edited by Botez MI, Reynolds EH. Raven Press, New York, 1979 (pp. 19–22).

224. Rosenblatt DS, Cooper BA: Methylenetetrahy-drofolate reductase deficiency: clinical and biochemical correlations. Chapter 34. In: Folic Acid in Neurology, Psychiatry, and Internal Medicine. Edited by Botez MI, Reynolds EH. Raven Press, New York, 1979 (p. 389).

225. Rubin D: Myofascial trigger point syndromes: an approach to management. Arch Phys Med Rehabil 62:107–110, 1981.

226. Ruff RL, Weissmann J; Endocrine myopathies. Neurol Clin North Am 6:575–592, 1988.

227. Runcie J: Folate deficiency in the elderly. Chapter 45. In: Folic Acid in Neurology, Psychiatry, and Internal Medicine. Edited by Botez MI, Reynolds EH. Raven Press, New York, 1979 (pp. 493–499).

228. Russell IJ, Vipraio GA, et al.: Insulin-like growth factor (IGFI) in fibromyalgia, rheumatoid arthritis, osteoarthritis and healthy normal controls: Roles of diagnosis, age, sex and ethnic origin [Abstract). Arthritis Rheum 35:SI60, 1992.

229. Ryschon TW, Rosenstein DL, et al.: Relationship between skeletal muscle intracellular ionized magnesium and measurements of blood magnesium. J Lab Clin Med 127:207–213, 1996.