a] Use the “Free Full Text” filter or limiter in your PubMed search. This will recover free full text links to web accessible articles, including -but not restricted to- what is available through PubMed Central.
b] Search in Google Advanced Search. At the Exact Phrase box, type several words of the title in exact order.
c] Also check:
Free Medical Journals – International coverage, several languages
Bioline International – access to quality research journals published in developing countries Medscape – Registration required (free)
Scielo – Articles by Latin American authors in Spanish andPortuguese
Electronic Journals – List of links compiled by the Associazione Italiana Biblioteche (Association of Italian Libraries). Look for titles with a grey arrow and the indication (Ft) after the title.
Free Pharmacy Journals