TY - BOOK AU - LaPlace,John TI - Health SN - 0133845877 (pbk.) AV - RA776 .L348 1987 U1 - 613 19 PY - 1987/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Health KW - Public health N1 - Includes index; Bibliography: p. 529-540 ER -