TY - BOOK AU - Apen,Edwin M. ED - United States. TI - Health aspects castors bean dust U1 - 362.10973 PY - 1967/// CY - Cincinnati PB - United States Government Printing Office KW - Medical care KW - Social aspects KW - United States KW - Finance KW - Delivery of Health Care KW - Medical care, Cost of KW - Statistics KW - Economics, Medical KW - trends N1 - 999AP-36; Review and bibliography ER -