STUDY OF BIOCHEMICAL EFFECT THE LEVEL OF SOME TRANSITION ELEMENT MEASURED BY FLAME ATOMIC ABSOROTION TECHNIQUE ON THE HEALTH OF EXPOSED WORKER
Maǧallaẗ ǧāmiʻaẗ al-anbār li-l-ʻulūm al-ṣirfaẗ/Maǧallaẗ ǧāmiʻaẗ al-Anbār li-l-ʻulūm al-ṣirfaẗ