RT Journal Article SR Electronic T1 Emergency contraception (November 2012) JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 185 OP 185 DO 10.3949/ccjm.80c.03001 VO 80 IS 3 A1 Chris Kahlenborn A1 Walter B. Severs YR 2013 UL http://www.ccjm.org/content/80/3/185.1.abstract AB