title: Plasma progesterone and gonadotrophin levels during the estrous cycle of the guinea pig.
mesh_terms: D000818:Animals; D004971:Estrus; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood*; D006062:Gonadotropins / Q000097:blood; D006168:Guinea Pigs; D007986:Luteinizing Hormone / Q000097:blood*; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*; D013997:Time Factors
chemical_list: D006062:Gonadotropins; D011374:Progesterone; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone