1. Laparoscopic management of ovarian ectopic pregnancy;Hage;J Am Assoc Gynecol Laparosc,1994
2. Discriminatory hCG zone: its use in the sonographic evaluation for ectopic pregnancy;Kadar;Obstet Gynecol,1981
3. Effects of luteectomy and progesterone replacement therapy in early pregnant patients;Csapo;Am J Obstet Gynecol,1973
4. The undoing project: a friendship that changed our minds;Lewis,2016
5. Thinking fast and slow;Kahneman,2011