O. de Waroux, H. Maguire, and A. Moren. Euro surveillance : bulletin Européen sur les maladies transmissibles = European communicable disease bulletin, 17 (25):
20202(January 2012)6829<m:linebreak></m:linebreak>JID: 100887452; 0 (Vaccines); epublish;<m:linebreak></m:linebreak>Dissenys híbrids.
H. Brønnum-Hansen. Journal of epidemiology and community health, 53 (5):
300-5(May 1999)4322<m:linebreak></m:linebreak>LR: 20061115; PUBM: Print; JID: 7909766; ppublish;<m:linebreak></m:linebreak>Risc atribuïble.