PubMed · 1971 · 15 citations · 10 references
MedicineInternal MedicineGeneral Internal MedicineMedical HistoryAttendance RatesClinic Attendance
10
Jacqueline Grad, Peter Sainsbury · The Lancet · 1963 · 309 citations
Medicine, Neurology, Psychiatry +7
J. H. Abramson, L. S. Terespolsky, Jeff Brook et al. · Journal of Epidemiology & Community Health · 1965 · 61 citations · Full text