TY - BOOK AU - Vig Shanker Lal AU - Dr P P Talwar Supervisor AU - University of Delhi. National Institute of Health and Family Welfare. Department of Statistics and Demography ED - University of Delhi. National Institute of Health and Family Welfare. Department of Statistics and Demography TI - Analytical study of the referral system in Employees State Insurance Corporation Delhi PY - 1992/// KW - PROBABILITIES ER -