1. Relationships between neuroendocrine and immune systems in amphibians and reptiles;Zapata;Dev. Comp. Immunol.,1983
2. Seasonal cyclic changes in the thymus gland of the adult frog, Rana temporaria;Płytycz;Thymus,1983
3. Amphibian lymphoid organs: a review;Płytycz;Folia Biol. (Kraków),1983
4. Endogenous rhythm in the thymus gland of Rana temporaria (Morphological study);Bigaj;Thymus.,1984
5. Age and seasonal changes in the thymus;Kendall,1983