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Díaz E, Fernández C, Castrillón P, Esquifino A, Marín B, Díaz B. Effect of melatonin on in vitro gonadotropins and prolactin release from pituitary LHRH stimulated, and median eminence and on ovarian response to hCG in middle-aged female rats.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 229-236

Sterzl I, Procházková J, Hrdá P, Bártová J, Matucha P, Stejskal V. Mercury and nickel allergy: risk factors in fatigue and autoimmunity.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 221-228

Fedor-Freybergh P. Psychoimmuno-neuroendocrinology: An integrative approach to modern philosophy in medicine and psychology.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 205-213

Melkersson K, Hulting A, Hall K. Hormonal evaluation in schizophrenic patients treated with neuroleptics.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 199-204

Gajkowska B, Gniadecki R. Induction of endothelial nitric oxide synthase in perivascular mast cells in rat neurohypophysis after ischemia.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 189-193

Karasek M. Melatonin in humans-where we are 40 years after its discovery.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 179-188

Lewczuk B, Przybylska-Gornowicz B, Wyrzykowski Z. The effect of morphine on melatonin secretion in the domestic pig. In vivo and in vitro study.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 171-178

Mandera M, Bazowski P, Wencel T, Dec R. Melatonin secretion in patients with pineal region tumors-preliminary report.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 167-170

Esquifino A, Cardinali D. Effects of melatonin on 24-h rhythms of neuroendocrine and immune changes in Freund's adjuvant-induced arthritis.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 163-166

Karasek M, Pawlikowski M. Guest Editorial.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 27-29

Sewerynek E, Wiktorska J, Lewinski A. Effects of melatonin on the oxidative stress induced by thyrotoxicosis in rats.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 157-161

Skwarlo-Sonta K. Reciprocal interdependence between pineal gland and avian immune system. NEL Review.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 151-156

Reiter R. Oxidative damage to nuclear DNA: amelioration by melatonin. NEL Review.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 145-150

Karasek M, Pawlikowski M. Pineal gland, melatonin and cancer. NEL Review.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 139-144

Maas L. From the Art Director's Desk.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 27-29

Fedor-Freybergh P. Editorial.  Neuro Endocrinol Lett. 1999 Jan;  20(3-4): 135-136