Dysfunctional Labor: PDF OnlyThe So-Called Perinuclear HaloGIROLAMI, ETTORE De M.D.* Author Information From the Clínica de Tumores, Ministry of Public Health, Costa Rica, C. A. Obstetrics & Gynecology 17(2):p 175-182, February 1961. Buy © 1961 The American College of Obstetricians and Gynecologists