Note 38 — CHEMICAL EXAMINATION.
Reading edition
Harrington, Charles, and Richardson, M. W. A manual of practical hygiene, 5th ed., pp. 457–62, Lea & Febiger, Phila. and New York, 1914.
Reading edition
Harrington, Charles, and Richardson, M. W. A manual of practical hygiene, 5th ed., pp. 457–62, Lea & Febiger, Phila. and New York, 1914.