31
Argitaratua 2003
Full text available from Nursing & Allied Health Database: 01/01/2005 to 01/31/2008
Baliabide elektronikoa Aldizkako argitalpena
35
Argitaratua 2012
Full text available from Biological Science Database: 01/01/2012 to present
Baliabide elektronikoa Aldizkaria