An interview study to estimate prevalence of asthma and chronic bronchitis
B. Lundbäck, N. Stjernberg, L. Nyström, K. Lundbäck, M. Lindström, L. RosenhallVolume:
9
Language:
english
Pages:
11
DOI:
10.1007/bf00158781
Date:
March, 1993
File:
PDF, 999 KB
english, 1993