The cultivation of Balantidium coli /
Schumaker, Eugene
The cultivation of Balantidium coli / by Eugene Schumaker - [S.l. : s.n.], 1931 - 281-295 p. ; 25 cm - American journal of hygiene ; 13 .
The cultivation of Balantidium coli / by Eugene Schumaker - [S.l. : s.n.], 1931 - 281-295 p. ; 25 cm - American journal of hygiene ; 13 .