{"title":"Why the need for change.","authors":"W. P. Johnson","doi":"10.1049/me:20010109","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":78340,"journal":{"name":"Journal - Tennessee State Dental Association","volume":"49 2 1","pages":"148-53"},"PeriodicalIF":0.0000,"publicationDate":"1969-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal - Tennessee State Dental Association","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1049/me:20010109","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}