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Balzar S, Wenzel SE, Chu HW.Balzar S, et al. Among authors: chu hw.Eur Respir J. 2002 Aug;20(2):254-9. doi: 10.1183/09031936.02.00261102.Eur Respir J. 2002.PMID: 12212952Free article.
Wenzel SE, Chu HW, Silkoff P.Wenzel SE, et al. Among authors: chu hw.Am J Respir Crit Care Med. 2003 Oct 15;168(8):1010-1; author reply 1011-2. doi: 10.1164/ajrccm.168.8.952.Am J Respir Crit Care Med. 2003.PMID: 14555460No abstract available.