Implants of synthetic oestrogens in the udders of sheep.
D000818:Animals; D045166:Estradiol Congeners; D004967:Estrogens; D005260:Female; D006801:Humans; D008321:Mammary Glands, Animal; D012756:Sheep; D034561:Sheep, Domestic
D045166:Estradiol Congeners; D004967:Estrogens
UDDER