[Changes in the mammary ducts of cows as a result of mechanized milking].
D000818:Animals; D002417:Cattle / Q000033:anatomy & histology*; D003612:Dairying; D005260:Female; D008321:Mammary Glands, Animal / Q000033:anatomy & histology*
Veränderungen des Zitzenkanals im Euter der maschinell gemolkenen Kühe.