TY - JOUR T1 - Challenge of α<sub>1</sub>-antitrypsin deficiency diagnosis in primary care JF - Canadian Family Physician JO - Can Fam Physician SP - 899 LP - 901 VL - 62 IS - 11 AU - Qian Ye AU - Anthony D. D’Urzo Y1 - 2016/11/01 UR - http://www.cfp.ca/content/62/11/899.abstract N2 - ER -