TY - BOOK AU - Beaglehole, R. AU - Bonita, R. AU - Kjellstrom, T. TI - Basic epidemiology SN - 8174733310 U1 - 614.4 23 PY - 2006/// CY - Delhi PB - A.I.T.B.S Publishers & Distributors (Regd.), Delhi KW - Epidemiology N1 - includes index ER -