title: Interpreting study designs in surgical research: a practical guide for surgeons and surgical residents.
authors.affiliation: Department of Surgical Oncology, Princess Margaret Hospital, Toronto, ON, Canada.
authors.forename: Paul F
authors.initials: PF
authors.lastname: Ridgway
authors.forename: Ulrich
authors.initials: U
authors.lastname: Guller
mesh_terms: D035843:Biomedical Research / Q000592:standards; D016022:Case-Control Studies; D015331:Cohort Studies; D015986:Confounding Factors, Epidemiologic; D019317:Evidence-Based Medicine / Q000458:organization & administration / Q000592:standards*; D013502:General Surgery / Q000193:education; D006801:Humans; D007396:Internship and Residency; D015201:Meta-Analysis as Topic; D012107:Research Design / Q000592:standards