Abstract
Jung, EH; Sarpatwari, A; Kesselheim, AS; Sinha, MS
Sarpatwari, A (reprint author), Brigham & Womens Hosp, Dept Med, Div Pharmacoepidemiol & Pharmacoecon, Program Regulat Therapeut & Law PORTAL, 75 Francis St, Boston, MA 02115 USA.; Sarpatwari, A (reprint author), Harvard Med Sch, Boston, MA 02115 USA.