Abstract
Sperling, JD; Gossett, DR
Gossett, DR (reprint author), Univ Calif San Francisco, Dept Obstet Gynecol & Reprod Sci, 2356 Sutter St,J-140, San Francisco, CA 94115 USA.
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 2017; 317 (16): 1629