Discriminatory hCG zone: its use in the sonographic evaluation for ectopic pregnancy.

The Decidual Cast of Ectopic Pregnancy: A Confusing Ultrasonographic Appearance

1979 • 84 citations

Initial detection of human chorionic gonadotropin in serum in normal human gestation

1974 • 54 citations

Ectopic pregnancy: criteria and accuracy of ultrasonic diagnosis

1978 • 49 citations

Grey Scale Ultrasonography in the Diagnosis of Ectopic Pregnancy

1978 • 44 citations

A rapid modification of the beta-hCG radioimmunoassay. Use as an aid in the diagnosis of ectopic pregnancy.

1977 • 37 citations

Use of a radioimmunoassay specific for human chorionic gonadotropin in the diagnosis of early ectopic pregnancy.

1973 • 36 citations