Dalton VK, Harris LH, Bell JD, Schulkin J, Steinauer J, Zochowski M, Fendrick AM. Treatment of early pregnancy failure: does induced abortion training affect later practices? American Journal of Obstetrics and Gynecology. 2011 Jun;204(6):493.e1–6. doi: 10.1016/j.ajog.2011.01.052.