“I certainly think that some of the [drop in proficiency] could be due to [lead poisoning].
Guddoomiyaha guddiga madaxa banaan ee doorashooyinka qaranka Xaliimo Ismaaciil Ibraahim ayaa sharaxaad ka bixisay istiraatiijiyadda ay u diyaariyeen doorashada iyo sidoo kale waxyaabihii ay qabteen.