ratios of bioactive human chorionic gonadotropin to immunoreactive beta-human chorionic gonadotropin were similar ( 0.93 +/- 0.26 in resorbing ectopic pregnancies , 1.11 +/- 0.16 in viable ectopic pregnancies , and 0.90 +/- 0.10 in intrauterine pregnancies ) .
C0018062
human chorionic gonadotropin
C0106132
beta-human chorionic