Observations on the life history of Ascaris lumbricoides
By: by B.H. Ransom and W.D. Foster
Contributors: Foster, Winthrop Davenport, 1880-1918
Series: Bulletin / United States Department of Agriculture -- no. 817; Bulletin of the U.S. Department of Agriculture -- no. 817.
Publisher: U.S. Dept. of Agriculture
Published: 1920
Place of publication: Washington, D.C
Language: eng
Number of pages: 47
Subjects: Parasites; Ascariasis
Notes: Caption title.

"May 12, 1920."

"Professional paper."

Bibliography: p. 45-47.