BMJ · 1955 · 105 citations · 3 references
Public HealthHealth SciencesInternal MedicineEpidemiologic MethodsEpidemiologyPulmonologyChronic Obstructive Pulmonary DiseaseRespiratory AssessmentRespiratory DiseaseRespiratory HealthRespiratory MedicineNormal ObserversObserver-reported Dyspnea Assessment
3
The clinical diagnosis of pulmonary emphysema; an experimental study.
C. M. Fletcher · PubMed · 1952 · 296 citations
OBSERVERS' ERRORS IN TAKING MEDICAL HISTORIES
A. L. Cochrane, P. J. Chapman, P. D. Oldham · The Lancet · 1951 · 154 citations