Prevalence of asthma and COPD in general practice in 1992: has it changed since 1977?
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.
Tirimanna PR, et al. Among authors: den otter jj, van herwaarden cl, van weel c, van schayck cp, van den bosch wj, van grunsven pm, van den boom g.
Br J Gen Pract. 1996 May;46(406):277-81.
Br J Gen Pract. 1996.
PMID: 8762742
Free PMC article.