Shalabi, H.A., Shallan, A.S.A.B. , Alqahtani, , D.J.G. , Alqahtani, S.F.M. , Alotaibi, A.F.A. , Alkuwaiz, A.I. , Alotaibi, F.Z. , Alqahtani, F.N.A., Almutairi, S.H.N. , alsubaie, M.A.B. , Sultan, A.A. and Noralhoda, J.A. 2022. Investigate Knowledge And Attitudes Among Pneumococcal Vaccination In The Elderly In Kingdom Of Saudi Arabia 2022. Migration Letters. 19, S5 (Jun. 2022), 301–318.