Awareness, acceptability, and willingness to pay for the R21/Matrix-M malaria vaccine: a cross-sectional study among pregnant women and nursing mothers in Enugu State, Nigeria. - Dim, Obinna Felix; Chima, Uzochukwu Emmanuel; Iloabuchi, Francis Chibuike; Anene-Okeke, Chigozie Gloria; Nwachuya, Chukwuemeka Augustine; Onyehalu, Jennifer Chinaecherem; Umeh, Anthony Uche; Agbo, Chinonso Anne; Agbo, Juliet Ekenedilichukwu; Isah, Abdulmuminu (BMC Public Health, 2025)