mammary explants from six lactating cows were incubated for .17 , 4 , 8 , and 12 h in medium containing prostaglandin e1 or prostaglandin f2 alpha tromethamine salt at 0 , 1 , 10 , or 50 micrograms/ml to determine if prostaglandins alter tissue structure .
C0002335
prostaglandin e1
C0033554
prostaglandins