(1)
Alotaibi, A.; Almudarra, S. S.; Algarni, H. S. .; Bakhsh, Y.; Dafaalla, Z. M. E.; Alhowail, N. A.; Assiri, A. M. Adherence to Vaccine Requirements Among Hajj Pilgrims in Saudi Arabia, 2017-2019. Trop. H. Med. Res. 2021, 3, 86-97.