1
Publicerad 1995
“...California Digital Library....”Full text available from Health & Medical Collection: 01/01/2019 to present
Elektronisk
Tidskrift
2
Publicerad 2010
“...California Digital Library....”Full text available from Education Database: 01/01/2017 to present
Full text available from Research Library: 01/01/2017 to present
Elektronisk
Tidskrift
3
Full text available from Research Library: 01/01/2018 to present
Elektronisk
Tidskrift
4
Publicerad 2005
“...California Digital Library. eScholarship....”Full text available from Social Science Database: 01/01/2017 to 12/31/2017
Full text available from Social Science Database: 01/01/2019 to present
Elektronisk
Tidskrift