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[1]  M. Dolapci,et al.  A risk score for conversion from laparoscopic to open cholecystectomy. , 2001, American journal of surgery.

[2]  A. Mokdad,et al.  The spread of the obesity epidemic in the United States, 1991-1998. , 1999, JAMA.

[3]  S. Daradkeh,et al.  Preoperative Ultrasonography and Prediction of Technical Difficulties during Laparoscopic Cholecystectomy , 1998, World Journal of Surgery.

[4]  C. Kum,et al.  Predictive Factors for Conversion of Laparoscopic Cholecystectomy , 1997, World Journal of Surgery.

[5]  R. Santambrogio,et al.  Technical Difficulties and Complications during Laparoscopic Cholecystectomy: Predictive Use of Preoperative Ultrasonography , 1996, World Journal of Surgery.

[6]  V. Kapoor,et al.  Laparoscopic cholecystectomy—Can conversion be predicted? , 1995, World journal of surgery.

[7]  E. Phillips,et al.  Comparison of laparoscopic cholecystectomy in obese and non-obese patients. , 1994, The American surgeon.

[8]  J. Peters,et al.  Reasons for conversion from laparoscopic to open cholecystectomy in an urban teaching hospital. , 1994, American journal of surgery.

[9]  G. Fried,et al.  Factors determining conversion to laparotomy in patients undergoing laparoscopic cholecystectomy. , 1994, American journal of surgery.

[10]  J. Sanabria,et al.  Risk factors in elective laparoscopic cholecystectomy for conversion to open cholecystectomy. , 1994, Journal of the American College of Surgeons.

[11]  S. Edge,et al.  Laparoscopic Cholecystectomy in the Obese Patient , 1992, Annals of surgery.

[12]  Chad J. Davis,et al.  In Selected Patients Outpatient Laparoscopic Cholecystectomy Is Safe and Significantly Reduces Hospitalization Charges , 1991, Surgical laparoscopy & endoscopy.