Groenwold R, Uddin M, Roes K, de Boer A, Rivero-Ferrer E, Martin E, Gatto N, Klungel O. Instrumental variable analysis in randomized trials with non-compliance and observational pharmacoepidemiologic studies. OA Epidemiology. 2014 May 9;2(1):9.
Khellaf M, Le Moine JG, Poitrinal P, Francesconi C, Haddad A, Bierling P, Michel M, Eckert L, Launois R, Godeau B. Costs of managing severe immune thrombocytopenia in adults: a retrospective analysis. Ann Hematol. 2011 Apr;90(4):441-6. doi: 10.1007/s00277-010-1087-x
Webster AJ, Saville C, Church BM, Gnanasakthy A, Moss R. Some effects of different rearing systems on health, cleanliness and injury in calves. Vet J. 1985 Sep;141(5):472-83.
Webster AJ, Saville C, Church BM, Gnanasakthy A, Moss R. The effect of different rearing systems on the development of calf behaviour. Vet J. 1985 May;141(3):249-64.