Volume 126, Pages S164-S168 (January 2004) Control groups appropriate for surgical interventions: ethical and practical issues  Morton B Brown  Gastroenterology  Volume 126, Pages S164-S168 (January 2004) DOI: 10.1053/j.gastro.2003.10.041

Figure 1 Patient selection and identification model for pelvic floor disorders clinical surgical trial. HYS, hysterectomy; SSLS, sacrospinal ligament suspension; ASCP, abdominal sacral colpopexy; MAYO, Mayo culdoplasty. ∗Patient or surgeon chooses not to randomize. Gastroenterology 2004 126, S164-S168DOI: (10.1053/j.gastro.2003.10.041)