Public health and hygiene
Subtitle: a student's manual.
Contributors: Bolduan, Nils William, 1907-,
Edition: Ed. 2, rev. [and] enl. by C.F. Bolduan and N.W. Bolduan.
Publisher: Saunders
Published: 1938
Place of publication: Philadelphia
Language: eng
Number of pages: 371
Subjects: Contagion and contagious diseases; Hygiene, Public