B M Hibbard. Show Affiliations »
Abstract
Mesh： See more » Amenorrhea/diagnosisChorionic Gonadotropin/bloodChorionic Gonadotropin/urineCorpus Luteum Hormones/urineEstrogensFemaleFetal HeartFetus/diagnostic imagingHemagglutination Inhibition TestsHumansPhysical ExaminationPregnancyPregnancy Complications/diagnosisPregnancy Complications, Hematologic/diagnosisPregnancy TestsProgesteroneRadiographyUltrasonics
Substances： See more » Chorionic GonadotropinCorpus Luteum HormonesEstrogensProgesterone
Year: 1971 PMID： 5548302 PMCID： PMC1795263 DOI： 10.1136/bmj.1.5749.593
Source DB: PubMed Journal: Br Med J ISSN： 0007-1447