title: Evolutionary biology of prolactins and somatotropins. I. Electrophoretic comparison of tetrapod prolactins.
mesh_terms: D000557:Ambystoma; D000818:Animals; D001001:Anura; D001681:Biological Assay; D005075:Biological Evolution; D002024:Bufo marinus; D002645:Chickens; D010856:Columbidae; D006224:Cricetinae; D003426:Crop, Avian / Q000187:drug effects; D004372:Ducks; D004589:Electrophoresis, Disc; D013006:Growth Hormone / Q000032:analysis*; D006168:Guinea Pigs; D008116:Lizards; D010828:Physiology, Comparative; D010902:Pituitary Gland / Q000032:analysis; D011388:Prolactin / Q000032:analysis*; D011817:Rabbits; D051381:Rats; D012104:Reptiles; D012911:Snakes; D014426:Turtles; D014562:Caudata; D014714:Vertebrates
chemical_list: D011388:Prolactin; D013006:Growth Hormone