B. Vincent, M. Vincent, and C. Ferreira. The oncologist, 11 (3):
243-51(March 2006)4841<m:linebreak></m:linebreak>LR: 20071115; JID: 9607837; ppublish;<m:linebreak></m:linebreak>Cerca bibliogràfica.
A. Shaughnessy. American family physician, 79 (1):
25-6(January 2009)6674<m:linebreak></m:linebreak>JID: 1272646; CIN: Am Fam Physician. 2009 Jan 1;79(1):7-8. PMID: 19145959; ppublish;<m:linebreak></m:linebreak>Cerca bibliogràfica.