Prevalens dan karakteristik sindrom tumpang-tindih asma-penyakit paru obstruktif kronik pada pasien asma dan penyakit paru obstruksi kronik di Rumah Sakit Umum Pusat Persahabatan = Prevalence and characteristics of asthma-chronic obstructive pulmonary disease overlap syndrome in asthma and chronic obstructive pulmonary diseas patients at Persahabatan hospital - Rania Imaniar, author (2018)