Javed Iqbal, “USE OF ADVANCED DIRECTIVES FOR GOOD END-OF-LIFE DECISION MAKING: A SYSTEMATIC REVIEW AND META-ANALYSIS”, J Popl Ther Clin Pharmacol, vol. 31, no. 3, pp. 2185–2194, Mar. 2024, doi: 10.53555/jptcp.v31i3.5263.