Public Health Service as a protozoologist in charge of research work on amoebas. From Wordnik.com. [Bertha Kaplan Spector.] Reference
A protozoologist, Dr. Steve Pan, a parasitologist, Dr. Ed Michelson, a medical malacologist, and Dr. Andrew Spielman, a medical entomologist. From Wordnik.com. [Thomas H. Weller - Biography] Reference
I began my career as a protozoologist. From Wordnik.com. [André Lwoff - Nobel Lecture] Reference
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