H. F. Al-Nassir, A. B. Al-Hawash, and S. A. M. AL-Asadi, “DRD2 −141C Ins/Del Genotypes and Dopamine Profiles in Amphetamine Use Disorder”, ijhsm, vol. 3, no. 1, p. 10.21070/ijhsm.v3i1.372, Jan. 2026.