Exogenous factors related to chronic bronchitis as determined by multi-center studies in the city of Naples. Motivation, general plan and methods of the study

De Michele, G.; Nittí, V.

Archivio Monaldi Per la Tisiologia E le Malattie Dell'apparato Respiratorio 30(2): 90-98

1975


ISSN/ISBN: 0004-0185
PMID: 1225234
Document Number: 95370

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