by another way , at the level of the 34 drainage basins , correlation analysis have shown statistically significant positive associations between several variables representing pesticides utilization in agriculture and geographic variations of some cancers , according to sex and age groups , especially for the following : men , cancer of the brain ( 1-14 and 15-34 age groups ) , cancers of the lymphatic tissues ( 34-64 ) and leukaemia ( 1-14 ) ;
C0006826
cancers
C0153633
cancer of