since organochlorine compounds ( e.g. , polychlorinated biphenyls ( pcb ) and ddt ( and its metabolite dde ] are accumulated in the adipose tissue it was tempting to suggest a relationship between levels of pcb and `` '' ddt '' '' ( i.e. , ddt + dde ) in breast fat tissue and the occurrence of mammary cancer .
C0020247
organochlorine compounds
C0011038
+ d