title: Plasma progesterone level in buffalo heifers during first trimester of pregnancy.
mesh_terms: D000818:Animals; D002020:Buffaloes / Q000097:blood*; D005260:Female; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011270:Pregnancy, Animal; D011374:Progesterone / Q000097:blood*
chemical_list: D011374:Progesterone