title: Temporal variations in reproductive hormones in the immature male rat.
mesh_terms: D004092:20-alpha-Dihydroprogesterone / Q000097:blood; D000367:Age Factors; D000728:Androgens / Q000097:blood*; D000735:Androstenedione / Q000097:blood; D000818:Animals; D002940:Circadian Rhythm; D005640:Follicle Stimulating Hormone / Q000097:blood*; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D011374:Progesterone / Q000097:blood*; D051381:Rats; D013739:Testosterone / Q000097:blood
chemical_list: D000728:Androgens; D004092:20-alpha-Dihydroprogesterone; D013739:Testosterone; D000735:Androstenedione; D011374:Progesterone; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone