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2
3
Imprint 1989
Available in EBSCO Open Access Journals.Available in EDP Open Access.
Electronic
Journal
4
Imprint 1983
Available in EDP Open Access.Available in PubMed Central (PMC) Open Access.
Electronic
Journal
5
6
7
Imprint 1984
Available in AgEcon Search.Available in EBSCO Open Access Journals.
Electronic
Journal
8
9
Imprint 1993
Available in Gale Academic OneFile.Available in EBSCO Open Access Journals.
Available in Gale OneFile: Nursing and Allied Health.
Available in Springer Nature Complete Journals.
Available in Science Database.
Available in SpringerLink Journals Fully Open Access.
Available in PubMed Central (PMC) Open Access.
Electronic
Journal
10
11
Imprint 1980
Available in EBSCO Open Access Journals.Available in EDP Open Access.
Electronic
Journal
12
13