Halberg F, Cornélissen G, Burioka N, Katinas G, Sampson M, Schwartzkopff O. Circasemicentennial Season's Appreciations.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 59-68

Lasch E. FROM TEN YEARS AGO: Health in the 21st century-a change in belief systems.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 57-58

Karbownik M, Modrzejewska H, Reiter R, Zasada K, Greger J, Lewinski A. Pyrimidine and purine salvage deoxyribonucleoside metabolism in hepatic and renal homogenates from rats pretreated with propylthiouracil or L-thyroxine.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 51-55

Bühler G, Balabanova S, Rosenthal J. Effect of 24, 25-dihydroxycholecalciferol on the placental immunoreactive calcitonin.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 47-49

Brusco L, Márquez M, Cardinali D. Melatonin treatment stabilizes chronobiologic and cognitive symptoms in Alzheimer's disease.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 39-42

Cardinali D. The human body circadian: How the biologic clock influences sleep and emotion.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 9-15

Mogulkoç R, Dogru O, Baltaci K, Yilmaz B, Kelestimur H. Influence of hypovolemic and hypertonic treatments on plasma vasopressin levels and fluid balance in the thyroidectomy-induced hypothyroid rats.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 35-38

Kulman G, Lissoni P, Rovelli F, Roselli M, Brivio F, Sequeri P. Evidence of pineal endocrine hypofunction in autistic children.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 31-34

Karasek M, Kochanski J, Bierowiec J, Suzin J, Swietoslawski J. Testosterone levels and bone mineral density in young healthy men and in young infertile patients.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 25-29

Rúzsás C, Mess B. Melatonin and aging. A brief survey.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 17-23

Maas L. From the Art Director's Desk.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 27-29

Fedor-Freybergh P. Editorial.  Neuro Endocrinol Lett. 2000 Jan;  21(1): 1-3