TY - JOUR T1 - Diagnosing asthma and chronic obstructive pulmonary disease JF - Canadian Family Physician JO - Can Fam Physician SP - 441 LP - 444 DO - 10.46747/cfp.6806441 VL - 68 IS - 6 AU - Samir Gupta Y1 - 2022/06/01 UR - http://www.cfp.ca/content/68/6/441.abstract N2 - ER -