Hiroshi Koyama

Polychemotherapy for early breast cancer: an overview of the randomised trials. Early Breast Cancer Trialists' Collaborative Group.

C. Focan, S. M. Steinberg, M Blichert-Toft et al. · PubMed · 1998 · 2.2K citations

Medicine, Oncology, Pharmacotherapy +5

Effect of Lung-Volume–Reduction Surgery in Patients with Severe Emphysema

Duncan M. Geddes, Michael Davies, Hiroshi Koyama et al. · New England Journal of Medicine · 2000 · 400 citations · Full text

Medicine, Clinical Sciences, Surgery +8

Comparison of Discriminative Properties among Disease-specific Questionnaires for Measuring Health-related Quality of Life in Patients with Chronic Obstructive Pulmonary Disease

Takashi Hajiro, Koichi Nishimura, Mitsuhiro Tsukino et al. · American Journal of Respiratory and Critical Care Medicine · 1998 · 266 citations

Medicine, Clinical Sciences, Internal Medicine +17

Analysis of Clinical Methods Used to Evaluate Dyspnea in Patients with Chronic Obstructive Pulmonary Disease

Takashi Hajiro, Koichi Nishimura, Mitsuhiro Tsukino et al. · American Journal of Respiratory and Critical Care Medicine · 1998 · 260 citations · Full text

Medicine, Clinical Sciences, Internal Medicine +15

Guidelines for Management of Idiopathic Normal Pressure Hydrocephalus Guidelines From the Guidelines Committee of Idiopathic Normal Pressure Hydrocephalus, the Japanese Society of Normal Pressure Hydrocephalus

Masatsune Ishikawa, Masaaki Hashimoto, Nobumasa Kuwana et al. · Neurologia medico-chirurgica · 2008 · 253 citations · Full text

Medicine, Geriatric Medicine, Dementia +12