Ectopic pregnancy until proven otherwise … even with a negative serum hCG test: A case report

by Zachary A. Kopelman, Erin A. Keyser, Kelly J. Morales
Published 2021-04-01

Extraovarian sex cord tumor with annular tubules discovered arising from a leiomyoma

by William T. Jaegle, Erin A. Keyser, Lynn Messersmith, Robert O. Brady, Caela Miller
Published 2018-11-01