Louis PCA (1835). Recherches sur les effets de la saignée dans quelques maladies inflammatoires et sur l'action de l'émétique et des vésicatoires dans la pneumonie. Paris: Librairie de l'Académie royale de médecine.

Gavarret LDJ (1840). Principes généraux de statistique médicale: ou de´veloppement des rè`gles qui doivent présider à` son emploi. Paris: Bechet jeune & Labé.

Bartlett E (1844). An essay on the philosophy of medical science. Philadelphia: Lea and Blanchard.

Balfour TG (1854). Quoted in West C. Lectures on the Diseases of Infancy and Childhood. London, Longman, Brown, Green and Longmans, p 600.

Bennett JH (1865). The restorative treatment of pneumonia. Edinburgh, AC Black.

Ephraim A (1890-1894).  Uber die Bedeutung de statistischen Methode für die Medicin. Volkmann’s Sammlung Klinische Vortraege N.F. Innere Medicin 24:706-716. Leipzig: Breitkopf and Härtel.

Heiberg P (1897). Studier over den statistike Undersøgelsesmethode som Hjæpemiddel ved terapeutiske Undersøgelser [Studies on the statistical method of investigation as aid for therapeutic studies]. Bibliotek for Læger 7:1-40.

Alt K (1909). Behandlungsversuche mit Arsenophenylglyzin bei Paralytikern. Muenchener Medizinische Wochenschrift 56:1457-1459.

Park VH, Bullowa JGM, Rosenbluth NM (1928). The treatment of lobar pneumonia with refined specific antibacterial serum. JAMA 91:1503-8.

Bullowa JGM (1928). The use of antipneumococcic refined serum in lobar pneumonia. JAMA 90:1354-1358.

Bullowa JGM (1929). The serum treatment and its evaluation in lobar pneumonia. Bulletin of the New York Academy of Medicine 5:328-362.

Woods HM, Russel WT (1930). An introduction to medical statistics. 2nd edn. London: Staples Press.

Ellison JB (1932). Intensive vitamin therapy in measles. BMJ 2:708-711.

Greenwood M (1934). Epidemics and crowd-diseases. Oxford: Oxford University Press.

Gilliam AG, Onstott RH (1936). Results of field studies with poliomyelitis vaccine. American Journal of Public Health 26:113-118.

Theobald GW (1937). Effect of calcium and vitamin A and D on incidence of pregnancy toxaemia. Lancet 2:1397-9.

Lindquist EF (1940). Statistical analysis in educational research. Boston: Houghton Mifflin.

Bell JA (1941). Pertussis prophylaxis with two doses of alum-precipitated vaccine. Public Health Reports 56:1535-1546.

Bell JA (1948). Use of and alum-precipitated mixture of pertussis vaccine and diphtheria toxoid. JAMA 137:1009-1016.

Bell JA (1948). Use of two doses of an alum- precipitated mixture of diphtheria toxoid and pertussis vaccine. JAMA 137:1276-1281.