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Clinical Chemistry, Vol 19, 602-607, Copyright © 1973 by the American Association for Clinical Chemistry
1 Department of Pediatrics, College of Medicine, University of Kentucky, Lexington, Ky. 40506.
A method is described for measurement of human chorionic somatomammotropin (HCS) by use of a double-antibody technique, for concentrations ranging from 2 ng/ml to 20 µg/ml. The cross-reactive characteristics of rabbit anti-human HCS serum No. CT 3399 from NIAMD are explored. A dilution plan is presented utilizing a standard curve from 0.75 to 80 ng/ml. Concentrations (mean and ranges) for HCS in maternal serum (evaluated every four weeks during pregnancy), umbilical cord serum, serum from babies, amniotic fluid, and urine are given.
Submitted on January 15, 1973
Accepted on April 5, 1973
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