(Q52253446)
Statements
Air pollution and mortality in Philadelphia, 1974-1988. (English)
1 reference
J E Kelsall
1 reference
J M Samet
1 reference
S L Zeger
1 reference
J Xu
1 reference
1 November 1997
1 reference
146
1 reference
9
1 reference
750-762
1 reference
Identifiers
1 reference