Sharif, M., Aslam, S., Khan, I., Rehman, A., Khan, M., & Afzal, M. (2022). Patterns of Retentive Failures in Dislodged Single Crowns: Retentive failures in crowns. Pakistan Armed Forces Medical Journal, 72(3), 1090–93. https://doi.org/10.51253/pafmj.v72i3.7730