TY  - GEN
AU  - Mantel,N
TI  - Lung cancer and passive smoking
SN  - 0267-0623
PY  - 1987///0417
KW  - Humans
KW  - Lung Neoplasms
KW  - chemically induced
KW  - Risk
KW  - Tobacco Smoke Pollution
KW  - adverse effects
N1  - Publication Type: Letter
UR  - https://doi.org/10.1136/bmj.294.6569.440-b
ER  -