title: Assessment of measurement validity.
authors.forename: Philippe R
authors.initials: PR
authors.lastname: Koninckx
authors.forename: Jasper
authors.initials: J
authors.lastname: Verguts
authors.forename: Dirk
authors.initials: D
authors.lastname: Timmerman
mesh_terms: D005260:Female; D006801:Humans; D007552:Isotonic Solutions / Q000493:pharmacokinetics; D010535:Laparoscopy; D010529:Peritoneal Cavity / Q000000981:diagnostic imaging* / Q000601:surgery*; D015203:Reproducibility of Results; D000077325:Ringer's Lactate; D014463:Ultrasonography / Q000592:standards*
chemical_list: D007552:Isotonic Solutions; D000077325:Ringer's Lactate