Respiratory Muscle Performance in Normal Elderly Subjects and Patients with COPD

The Design and Analysis of Clinical Experiments.

Michael Hills, Joseph L. Fleiss · Journal of the Royal Statistical Society Series A (General) · 1987 · 3.3K citations

Public Health, Biostatistics, Pharmacology +11

Maximal respiratory pressures: normal values and relationship to age and sex.

Leo F. Black, Robert E. Hyatt · PubMed · 1969 · 1.9K citations

Health Professions, Physiology, Neuromuscular Disorders +6

Spirometric Standards for Healthy Nonsmoking Adults

James F. Morris, Arthur Koski, Lorna Johnson · Journal of Occupational and Environmental Medicine · 1971 · 1.1K citations

Health Professions, Physiology, Pulmonary Function Testing +16

The veterans administration-army cooperative study of pulmonary function

Ross C. Kory, Robert Callahan, Hollis G. Boren et al. · The American Journal of Medicine · 1961 · 804 citations

Health Professions, Clinical Sciences, Internal Medicine +12

Ventilatory muscle strength and endurance training

David Leith, M. E. Bradley · Journal of Applied Physiology · 1976 · 597 citations

Medicine, Physiology, Exercise Physiology +16