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A 17-yr old boy with productive cough and progressive dyspnoea. |
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| Authors: | J E Tulleken C A van Minnen T J Waterbolk H J Groen T S van der Werf J J Ligtenberg J G Zijlstra |
| Affiliation: | Dept of Internal Medicine, Thorax Center, University Hospital Groningen, The Netherlands. |
| Abstract: | |
| Keywords: | |