McIntyre LF, Beach WR, Higgins LD, Mordin MM, Mauskopf J, Sweeney CT, Copley-Merriman C. Evidence-based medicine, appropriate-use criteria, and sports medicine: how best to develop meaningful treatment guidelines. Arthroscopy. 2013 Mar 18;29(7):1224-9.
Aguado J, Campbell A, Ascaso C, Navarro P, Garcia-Esteve L, Luciano JV. Examining the factor structure and discriminant validity of the 12-Item General Health Questionnaire (GHQ-12) among Spanish postpartum women. Assessment. 2012 Dec 19;19(4):517-25.
Fleming AD, Xia X, McDicken WN, Sutherland GR, Fenn L. Myocardial velocity gradients detected by Doppler imaging. Br J Radiol. 1994 Jul 1;67(799):679-88. doi: 10.1259/0007-1285-67-799-679