Wikipedia :http://en.wikipedia.org/wiki/International_Classification_of_Primary_Care
Papers;
http://www.who.int/classifications/network/WHOFIC2009_D002p_Miller.pdf
http://www.acg.jhsph.org/?option=com_content&view=article&id=179&Itemid=393
http://www.apfmj.com/content/pdf/1447-056X-9-11.pdf
http://www.springerlink.com/content/b225335809376016/
http://www.biomedcentral.com/1472-6963/4/8
http://www.transitieproject.nl/Documentation/Full%20Text%20Bib120.Pdf
http://www.abebooks.fr/ICPC-2-International-Classification-Primary-Care-Oxford/2589601938/bd
http://fampra.oxfordjournals.org/content/19/5/433.full.pdf
http://www.semantichealth.org/PUBLIC/Belgium_ICPC%20in%20the%20EPR.pdf
http://toolkit.cfpc.ca/en/information-technology/appendix-4.php