1. Death certification;Alderson, M.R.; Bayliss, R.I.S.; Clarke, C.A.; Whitfield, A.G.N.;Br Med J,1983
2. Communicable disease surveillance;Galbraith, N.S.,1982
3. Scale of undemotification of infectious diseases by general practitioners;Haward, R.A.;Lancet; College of General Practitioners, Office of Population Censuses and Surveys, and Department of Health and Social Security. Morbidity statistics from general practice 1981-1982,1973
4. Influenza surveillance in England and Wales using routine statistics;Tillett, H.E.; Spencer, I.-L.;JHyg (Camb),1982