2 results filtered with: Necatoriasis - prevention & control
- Books
Hookworm disease and how to prevent it / Metropolitan Life Insurance Company.
Date: [1927?]- Books
The study of an area in the mountains of Porto Rico, which had been influenced for twenty years by hookworm control measures / by William W. Cort, William A. Riley and George C. Payne.
Cort, William W. (William Walter), 1887-1971.Date: [1923]