'Delhi children have high level of lead in blood'
Sixty-four per cent of Delhi schoolchildren have high level of lead in their blood stream, above the safe permissible limits. This was stated by pediatrician, Dr Veena Kalra of the All India
Sixty-four per cent of Delhi schoolchildren have high level of lead in their blood stream, above the safe permissible limits. This was stated by pediatrician, Dr Veena Kalra of the All India