J. Tsai, S. Grosse, A. Grant, N. Reyes, W. Hooper, and H. Atrash. PloS one, 7 (7):
e34048(January 2012)6773<br/>JID: 101285081; 2012/02/22 received; 2012/05/16 accepted; 2012/07/06 epublish; ppublish;<br/>Recerca clínica; CMBD; Exemple.
K. Kingsley, G. Galbraith, M. Herring, E. Stowers, T. Stewart, and K. Kingsley. BMC medical education, (January 2011)6676<br/>JID: 101088679; OID: NLM: PMC3097006; 2010/06/29 received; 2011/04/25 accepted; 2011/04/25 aheadofprint; epublish;<br/>Cerca bibliogràfica.