H K Lawlor1, B J Rubin. Show Affiliations » 1. University of California, San Francisco, School of Nursing.
Abstract
Mesh: See more » Abdomen/diagnostic imagingChorionic Gonadotropin/analysisFemaleHumansPregnancyPregnancy, Ectopic/diagnosisProgesterone/analysisRisk FactorsTime FactorsUltrasonographyVagina/diagnostic imaging
Substances: See more » Chorionic GonadotropinProgesterone
Year: 1993 PMID: 8212692 PMCID: PMC1022234
Source DB: PubMed Journal: West J Med ISSN: 0093-0415