title: Single-port laparoscopic cholecystectomy and difficulty score.
authors.forename: Somsri
authors.initials: S
authors.lastname: Wiwanitkit
authors.forename: Viroj
authors.initials: V
authors.lastname: Wiwanitkit
mesh_terms: D017081:Cholecystectomy, Laparoscopic / Q000379:methods*; D005260:Female; D042882:Gallstones / Q000601:surgery*; D006801:Humans; D008297:Male