1. The Serum unconjugated estriol nadir-surge interval as a marker of gestational age Publication: Fort Sam Houston, Tex. : The Academy, 1975 Subject(s): EstriolGestational AgeRadioimmunoassay
2. The diagnosis and treatment of obstetric cases by external (abdominal) examination and manipulation Author(s): Mundé, Paul F. (Paul Fortunatus), 1846-1902 Publication: New York : Wood, 1880 Subject(s): Diagnostic Techniques, Obstetrical and GynecologicalLabor PresentationGestational AgePalpation