?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Mercer&rft.aufirst=J&rft.au=Mercer%2C+J&rft.date=1979&rft.tpages=0&rft.title=Aspects+of+professionalisation+in+professions+supplementary+to+medicine&rft.inst=Institute+of+Education%2C+University+of+London&rft.degree=Doctoral