A Household Survey of Chronic Obstructive Pulmonary Disease in Ottawa: METHODOLOGICAL PROBLEMS AND RESULTS OF PILOT SURVEY

Autor: Neri, L. C., Mandel, J. S., O'Connor, M. L., Larson, M.
Zdroj: Canadian Journal of Public Health / Revue Canadienne de Sante'e Publique, 1970 Sep 01. 61(5), 407-412.
Databáze: JSTOR Journals