%0 Journal Article %T Identifying Primary Spontaneous Pneumothorax from Administrative Databases: A Validation Study %A Ayman Seyam %A Blayne Welk %A Eric Frechette %A J. Andrew McClure %A Jennifer Winick-Ng %A Keegan Guidolin %A Richard A. Malthaner %A Sarah Jones %A Yun-Hee Choi %J Archive of "Canadian Respiratory Journal". %D 2016 %R 10.1155/2016/1690482 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4916287/