Acute toxicity test of zinc shot in game-farm mallards : final report. /

Cover title.

Study of fish toxicity in the east branch Du Page River /

Includes bibliographical references.

Surveillance of infants born with a positive toxicity for controlled substances /

Cover title.

Surveillance of infants born with a positive toxicity for controlled substances /

Mode of access: Internet.

The Acute toxicity of chlorinated hydrocarbon and organic phosphorous insecticides to livestock /

Cover title.

Structure and toxicity of insecticide deposits for control of bark beetles /

Includes bibliographical references (p. 54-59).

Method for determining the toxicity of coal-tar disinfectants, together with a report of the relative toxicity of some commercial disinfectants /

"April, 1913."