TY - BOOK AU - Stewart,Michael M. TI - Ecologic determinants of health problems SN - 0826124933 AV - RA441RA565 .I57 1977 vol. 3 U1 - 362.1 s362.1 PY - 1977/// CY - New York PB - Springer Pub. Co. KW - Environmental health KW - Communicable diseases KW - Human ecology N1 - Includes bibliographies ER -