Impact of patient counselling in improving knowledge, attitude, practice and health related quality of life in copd patients. - MATHEW, VINOD K.; KRISHNAMURTHY, M. S.; NAZEEM, TEENA; C. K., VYSAKH; MATHEWS, CHRISTY SUSAN; RENTHLEI, LARA LALRINCHHANI (International Journal of Pharmaceutical Research (09752366), 2019)