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

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 · 396 citations · Full text

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 · 262 citations

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 · 254 citations

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 · 243 citations · Full text

Japanese Society, Pediatric Hydrocephalus, Diagnosis +16