Journal article
Serum human chorionic gonadotrophin levels in early pregnancy
Abstract
Serum hCG reference intervals for various gestational periods in normal pregnancies were determined using three commercial assays--two standardized against the WHO 2nd IS (Amersham Amerlex-M beta HCG RIA (AMX) and Abbott beta-HCG 15/15 (ABB] and one standardized against the WHO 1 IRP (Hybritech Tandem -E HCG (HYB]. Serial samples from patients with accurately determined gestational periods were analyzed. We correlated these assays to determine …
Authors
Ooi DS; Perkins SL; Claman P; Muggah HF
Journal
Clinica Chimica Acta, Vol. 181, No. 3, pp. 281–292
Publisher
Elsevier
Publication Date
May 1989
DOI
10.1016/0009-8981(89)90234-9
ISSN
0009-8981