Ontogeny of the hypophysial growth-promoting activity in the chick.
D000818:Animals; D001001:Anura; D001681:Biological Assay; D001835:Body Weight; D002642:Chick Embryo; D006133:Growth Substances / Q000502:physiology*; D010902:Pituitary Gland / Q000196:embryology* / Q000502:physiology*
D006133:Growth Substances