Practical preventive medicine
By: by Mark F. Boyd ...  135 illustrations.
Publisher: W. B. Saunders company
Published: 1920
Place of publication: Philadelphia and London
Language: eng
Number of pages: 352
Subjects: Hygiene; Medicine, Preventive
Notes: "References" at ends of most of the chapters.
2d ed. issued under title: Preventive medicine.
Microfilmed for preservation