plasma samples were obtained every 15 min for 7 h ( 1000-1700 h ) from conscious , chronically cannulated rats after iv administration of 1 ml of one of the following sera : 1 ) rabbit anti s-28 ( reacts with s-28 , but not with s-14 ; maximum binding , 297 pmol/ml ) , 2 ) nonimmune rabbit serum , 3 ) sheep anti-s-14/s-28 serum ( maximum binding , 9.4 nmol s-14 or s-28/ml ) , and 4 ) nonimmune sheep serum .
C0037659
s-14
C0074854
s-28