Note 202 — THE FLEA AND ITS RELATION TO PLAGUE.
Reading edition
1908, Schumann.—“A Disease of Rats Caused by Mites.” Centralblatt f. Bact., Oct. 30th.
Reading edition
1908, Schumann.—“A Disease of Rats Caused by Mites.” Centralblatt f. Bact., Oct. 30th.