Reply.
Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, San Francisco, CA. Electronic address: mary.norton@ucsf.edu.
Mary E
ME
Norton
Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, San Francisco, CA.
Miriam
M
Kuppermann
Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA.
Laura L
LL
Jelliffe-Pawlowski