00632nam a2200169 a 450000500170000000800410001704100080005808200120006610000300007824500580010826400350016630000070020165001130020894200070032199900170032895201170034520260717091401.0260717s1956    ii            000 0 eng d  aeng04a615.9021 aRoyal College of Physicns10aAir Pollution and Health /cRoyal College of Physicns 1bClanandon Press Oxford,c1956.  a80 4aAir -- Pollution -- Physiological effect:Particles -- Physiological effect:Aerosols -- Physiological effect.  cBK  c30316d30316  001040708DCaBKBCLbBKBCLd1990-08-31g1.50l0o615.902 ROYp26154r2026-07-17 09:14:01v1.50w2026-07-17yBK