TY - JOUR T1 - Health Findings JF - The Nation's Health JO - Nations Health SP - 21 LP - 21 VL - 48 IS - 4 AU - Kim Krisberg Y1 - 2018/06/01 UR - http://www.thenationshealth.org/content/48/4/21.abstract N2 - The majority of chronic obstructive pulmonary disease cases have their roots in childhood illnesses and exposures, according to a new study. ER -