Donora, Pennsylvania: an environmental disaster of the 20th century.
Helfand
W H
WH
History of Medicine Division, National Library of Medicine, Bethesda, Md. 20894, USA.
Lazarus
J
J
Theerman
P
P
D000397:Air Pollution / Q000266:history / Q000331:legislation & jurisprudence; D004190:Disasters / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D010414:Pennsylvania; D012905:Smog / Q000009:adverse effects*; D014481:United States
D012905:Smog