@incollection{, 009DF7FE4A5F9EB318AA2A9C4ABA6C4C , author={{Dr. Balbir SinghDeswal} and {AnkitaKhokhar} and {.} and {SGT University}}, journal={{Global Journal of Medical Research}}, journal={{GJMR}}2249-46180975-588810.34257/GJMR, address={Cambridge, United States}, publisher={Global Journals Organisation}19437 } @incollection{b0, , title={{Global burden of COPD: systematic review and meta analysis}} , author={{ R JHalbert } and { J LNatoli } and { AGano } and { EBadamgarav } and { A SBuist } and { DMannino }} , journal={{Euro Respri J}} 28 , year={2006} } @incollection{b1, , title={{Prevalence of COPD in India: a systematic review}} , author={{ A JMckay } and { P AMahesh } and { J ZFordham } and { AMajeed }} , journal={{Prim Care Respir J}} 21 , year={2012} } @incollection{b2, , title={{Emergence of chronic obstructive disease as an epidemic in India}} , author={{ SJindal }} , journal={{Indian J Med Res}} 124 , year={2006} } @book{b3, , title={{Pocket guide to COPD diagnosis, management and prevention. A guide for health care professionals 2017}} , year={2017} 2 , note={Report Global} , note={Global initiative of chronic obstructive lung diseases} } @book{b4, , title={{}} , author={{ PWJones }} , note={Home page on the internet} } @book{b5, , title={{St George's respiratory questionnaire Manual}} , year={2014 February 20. 2014 May 15} } @incollection{b6, , title={{impact of severity of disease on cost of illness and quality of life of patients with COPD}} , author={{ HKallaru } and { VNagasubramanian } and { HBalakrishnan } and { KGopal } and { TPalani }} , journal={{J Young Pharmacists}} 7 , year={2015} } @incollection{b7, , title={{Prevalence, diagnosis and relation to tobacco dependence of chronic obstructive pulmonary diseases in a naturally representative population sample}} , author={{ LShahab } and { MJarvis } and { JBritton } and { RWest }} , journal={{Thorax}} 61 , year={2006} } @incollection{b8, , title={{Paschalis Steiropoulos, Evangelos Alexopoulos C, Demosthenes Bouros. The cost of COPD exacerbations: A university hospital -based study in Greece}} , author={{ MaryGeitona } and { MagdaliniHatzikou }} , journal={{Respiratory Med}} 105 3 , year={2010} } @incollection{b9, , title={{Economic burden in direct cost of chronic obstructive pulmonary disease at a tertiary care teaching hospital as prospective cohort study}} , author={{ KPatel } and { TLalwani } and { KShah }} , journal={{Indian J Pharmacy Practice}} 7 , year={2014} } @incollection{b10, , title={{Pharmacoeconomic evaluation of COPD}} , author={{ EDaniel Hilleman } and { NareshDewan } and { MarkMaleskar } and { MitchellFriedmann }} , journal={{Chest}} 118 5 , year={2000} } @incollection{b11, , title={{Pharmacoeconomics in COPD and inappropriateness of diagnostics, management and treatment}} , author={{ ClaudioDonner } and { F } and { JohannChristianVirchow } and { MircoVusuardi }} , journal={{Respiratory Med}} 105 6 , year={2011} } @incollection{b12, , title={{Effect of exacerbation on quality of life in patients with chronic obstructive pulmonary disease}} , author={{ T ASeemungal } and { G CDonaldson } and { E APaul } and { J CBestall } and { D JJeffries } and { JAWedzicha }} , journal={{Am J Respir Crit Care Med}} 157 5 , year={1998} } @incollection{b13, , title={{Costs of chronic bronchitis and COPD}} , author={{ MarcMiravitlles } and { CristinaMurio } and { TinaGuerrero } and { RamonGisbert }} , journal={{Chest}} 123 3 , year={2003} } @incollection{b14, , title={{Economic burden in direct cost of chronic obstructive pulmonary disease at a tertiary care teaching hospital as prospective cohort study}} , author={{ KPatel } and { TLalwani } and { KShah }} , journal={{Indian J Pharmacy Practice}} 7 , year={2014} } @incollection{b15, , title={{Pharmacoeconomic Evaluation of acute exacerbations of chronic bronchitis and COPD}} , author={{ MarcMiravitlles } and { CristinaMurio } and { TinaGuerrero } and { RamonGisbert }} , journal={{Chest}} 121 5 , year={2002} } @incollection{b16, , title={{The burden of illness and economic evaluation for COPD}} , author={{ S DRamsey } and { SSullivan }} , journal={{European Respiratory Journal}} 21 41 , year={2003} } @incollection{b17, , title={{Chronic obstructive pulmonary diseases. Does sex really matter?}} , author={{ MThakkar } and { KRohan } and { NJain } and { NJain } and { MSharma }} , journal={{Lung India}} 28 , year={2011} } @incollection{b18, , title={{Risk Assessment for COPD Using CAT Questionnaire and Vitalograph COPD-6 Screening Device}} , author={{ MuaedJamal Alomar } and { D }} , journal={{J Young Pharmacists}} 6 2 , year={2014} } @incollection{b19, , title={{Quality of life in COPD patients}} , author={{ M AZamzam } and { N YArab } and { R AWahsh } and { A ZRagab } and { EMAllam }} , journal={{Eqyptian J Chest Dis TB}} 4 , year={2012} } @book{b20, , title={{Health related quality of life of chronic obstructive pulmonary diseases patients: Results from community based cross section study in Aligarh}} , author={{ M AAhmed } and { ANeyaz } and { AAslam }} , year={2016} , address={UP, India. Lung India} }