BMC Primary Care. Biomed Central.
Cita Chicago (17th ed.)BMC Primary Care. [S.l.]: Biomed Central.
Cita MLA (9th ed.)BMC Primary Care. Biomed Central.
Atenció: Aquestes cites poden no estar 100% correctes.
BMC Primary Care. Biomed Central.
Cita Chicago (17th ed.)BMC Primary Care. [S.l.]: Biomed Central.
Cita MLA (9th ed.)BMC Primary Care. Biomed Central.