Knowledge, Attitudes, and Practices of Parents toward Vaccination of Children Under Six Years in Aden, Yemen (A. K. Ali, A. N. Hussain, R. M. Omar, S. M. Ahmed, H. G. Mohammed, N. N. Zaid, H. S. Mohammed, K. M. Ali, K. H. Mohammed, A. A. Abdullah, M. H. Ali, & W. Elmadhoun , Trans.). (2025). Yemeni Journal for Medical Sciences, 19(8). https://doi.org/10.20428/yjms.v19i8.3108