Scheme 1
From: A review of the health implications of heavy metals and pesticide residues on khat users

Adapted from Fossi et al. (2014)
Proposed mechanistic degradation of DDT in the environment to DDE and DDT—
From: A review of the health implications of heavy metals and pesticide residues on khat users
Adapted from Fossi et al. (2014)
Proposed mechanistic degradation of DDT in the environment to DDE and DDT—