title: Potential pitfalls of interim analysis.
authors.forename: Faisal
authors.initials: F
authors.lastname: Siddiqui
authors.forename: William Li Pi
authors.initials: WL
authors.lastname: Shan
authors.forename: Thomas
authors.initials: T
authors.lastname: Schricker
authors.forename: Steven B
authors.initials: SB
authors.lastname: Backman
mesh_terms: D000932:Antiemetics / Q000627:therapeutic use; D015982:Bias; D002186:Cannabinoids / Q000627:therapeutic use; D005260:Female; D013509:Gynecologic Surgical Procedures / Q000009:adverse effects; D006801:Humans; D010535:Laparoscopy / Q000009:adverse effects; D020250:Postoperative Nausea and Vomiting / Q000517:prevention & control; D016032:Randomized Controlled Trials as Topic / Q000706:statistics & numerical data*; D012107:Research Design / Q000706:statistics & numerical data*
chemical_list: D000932:Antiemetics; D002186:Cannabinoids