The evolution of the progressive-era hemocytometer.
Davis
J D
JD
Richland Community College, Decatur, Illinois, USA.
D001772:Blood Cell Count / Q000295:instrumentation*; D004906:Erythrocyte Count / Q000295:instrumentation; D005602:France; D005858:Germany; D006405:Hematology / Q000266:history* / Q000295:instrumentation; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D014481:United States