Perbandingan efek latihan jentera dan sepeda statis pada pasien penyakit paru obstruktif kronik stabil terhadap kapasitas fungsional dan kualitas hidup = Comparison of the effects from treadmill and ergocycle exercise in patients with stable chronic obstructive pulmonary disease to the functional capacity and quality of life (Fakultas Kedokteran Universitas Indonesia, 2013)