American journal of public health

Expired air carbon monoxide and serum thiocyanate as objective measures of cigarette exposure.

American journal of public health

Vogt TM, Selvin S, Widdowson G, Hulley SB

Tuberculosis outbreak in a circus: report of a cooperative investigation.

American journal of public health

Darney PD, Greene JE

Tuberculosis outbreak in a circus: report of a cooperative investigation.

American journal of public health

Darney PD, Greene JE

Pages