1. ESTIMATORS OF RELATIVE RISK FOR CASE-CONTROL STUDIES
2. Cox D.R. Journal of the Royal Statistical Society. Series B (Methodological), Vol. 34(2), Pp:187–220(1972).
3. Donna Brogan, Alvin Rampey, Jr., Mac Otten and Michael Deming. American Statistical Association, http://www.amstat.org/sections/srms/Proceedings/papers/1987_127.pdf, Pp:715–719(1987).
4. Gupte M.D., R.S. Vallishayee, D.S. Anantharaman, B. Nagaraju, Sreevatsa, S. Balasubramanyam, R.L.J. de Britto, N. Elango, N. Uthayakumaran, V.N. Mahalingam, G. Lourdusamy, A. Ramalingam, S. Kannan and J. Arokiasamy. Indian Journal of Leprosy, Vol. 70(4), Pp: 369–388(1998).
5. METHODOLOGIC ISSUES IN THE EVALUATION OF VACCINE EFFECTIVENESS