Mehmood Ahmed Rana, Anam Akram, Mohammad Tahir, Khurram Nadeem, Ammar Abdullah Malik, Syed Usama Shayan Zaidi 2023. Frequency of MB2 Canals in Maxillary First Permanent Molars. Pakistan Journal of Medical & Health Sciences. 17, 02 (May 2023), 830. DOI:https://doi.org/10.53350/pjmhs2023172830.