(Q34054800)
Statements
Prevalence of asthma and COPD in general practice in 1992: has it changed since 1977? (English)
Tirimanna PR
van Schayck CP
den Otter JJ
van Weel C
van Herwaarden CL
van den Boom G
van Grunsven PM
van den Bosch WJ
1 reference
1 reference
1 reference