P. CharoenpanS. KiatboonsriP. UswanopakhunK. VongvivatP. SulaimaneeMahidol University2018-06-142018-06-141990-01-01Journal of the Medical Association of Thailand. Vol.73, No.2 (1990), 91-95012522082-s2.0-0025078237https://repository.li.mahidol.ac.th/handle/20.500.14594/16115Mahidol UniversityMedicineThe effects of inhaled ipratropium bromide, fenoterol and their combination in COPD patientsArticleSCOPUS