A brief history of medical diagnosis and the birth of the clinical laboratory. Part 2--Laboratory science and professional certification in the 20th century.
Berger
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D002568:Certification / Q000266:history*; D002910:Chronology as Topic; D019411:Clinical Laboratory Techniques / Q000266:history* / Q000592:standards; D049672:History, 19th Century; D049673:History, 20th Century; D007753:Laboratories / Q000266:history* / Q000592:standards; D011785:Quality Assurance, Health Care; D014481:United States