there was a rapid and extensive loss in the immunoreactivity of prolactin added to milk when rat milk was incubated in vitro ( 37 degrees c for 1-120 min ) with 600 ng/ml of extracted pituitary prolactin ( niamdd rp-1 ) or unit equivalent amounts of prolactin obtained from pituitary culture media ( secreted prolactin , supplied by c.s . nicoll ) .
C1327616
secreted
C0033371
prolactin