| Literature DB >> 19940961 |
Dermot Ryan1, Hilary Pinnock, Amanda J Lee, Lionel Tarassenko, Claudia Pagliari, Aziz Sheikh, David Price.
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Year: 2009 PMID: 19940961 PMCID: PMC6619373 DOI: 10.4104/pcrj.2009.00064
Source DB: PubMed Journal: Prim Care Respir J ISSN: 1471-4418