COPD,orChr oni cObs t r uct i vePul monar yDi s eas e,i ncl udess ever all ung condi t i onst hatbl ockai r flow,maki ngi tdi fficul tt obr eat he.
COPD
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.