title: Seasonal rhythm in plasma testosterone levels in the rhesus monkey (Macaca mulatta): a three year study.
mesh_terms: D000818:Animals; D005260:Female; D000882:Haplorhini; D008251:Macaca / Q000097:blood*; D008253:Macaca mulatta / Q000097:blood*; D008297:Male; D011863:Radioimmunoassay; D012621:Seasons; D012726:Sexual Behavior, Animal; D013739:Testosterone / Q000097:blood*
chemical_list: D013739:Testosterone