Physiology and hygiene
By: by Charles P. Emerson and George Herbert Betts
Contributors: Betts, George Herbert, 1868-1934
Series: Hygiene and health series -- bk. 2; Hygiene and health series -- bk. 2.
Publisher: Bobbs-Merrill Co.
Published: 1921
Place of publication: Indianapolis
Language: eng
Number of pages: 323
Subjects: Physiology; Juvenile literature; Hygiene