title: Relationship of sialic acid to the biological activity of vertebrate gonadotropins.
mesh_terms: D000818:Animals; D001001:Anura; D001681:Biological Assay; D002645:Chickens; D005640:Follicle Stimulating Hormone / Q000502:physiology*; D008116:Lizards; D007986:Luteinizing Hormone / Q000502:physiology*; D008297:Male; D009438:Neuraminic Acids / Q000502:physiology*; D009439:Neuraminidase; D009929:Organ Size; D012756:Sheep; D012911:Snakes; D013045:Species Specificity; D013091:Spermatogenesis; D013329:Structure-Activity Relationship; D013552:Swine; D013737:Testis / Q000033:anatomy & histology; D014426:Turtles; D014562:Caudata; D014714:Vertebrates / Q000502:physiology*
chemical_list: D009438:Neuraminic Acids; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone; D009439:Neuraminidase