Ultrasonographic Investigation of the Mechanisms Involved in Menstrual Cramps.
Department of Obstetrics and Gynecology, The University of Chicago, Chicago, Illinois.
J
J
Rosenbaum
Department of Obstetrics and Gynecology, The University of Chicago, Chicago, Illinois.
C
C
Kuhn
Department of Obstetrics and Gynecology, North Shore University Health System, Evanston, Illinois.
F F
FF
Tu
Department of Obstetrics and Gynecology, The University of Chicago, Chicago, Illinois.
K M
KM
Hellman