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Wintermeyer SF, Kuschner WG, Wong H, D'Alessandro A, Blanc PD.Wintermeyer SF, et al. Among authors: blanc pd.J Occup Environ Med. 1997 Apr;39(4):308-14. doi: 10.1097/00043764-199704000-00007.J Occup Environ Med. 1997.PMID: 9113600
Vinnikov D, Khafagy A, Blanc PD, Brimkulov N, Steinmaus C.Vinnikov D, et al. Among authors: blanc pd.ERJ Open Res. 2016 Jun 6;2(2):00097-2015. doi: 10.1183/23120541.00097-2015. eCollection 2016 Apr.ERJ Open Res. 2016.PMID: 27730196Free PMC article.Review.