%0 Journal Article %T Potential role of proprietary patent medicine vendors in primary eye and ear care: A mixed methods study in northern Nigeria %A Okeibunor, Joseph %A Smith, Andrew %A Jolley, Emma %A Elhassan, Elizabeth %A Adekeye, Oluwatosin %A Kontagora, Lawal Hasfat %A Isiyaku, Sunday %A Adamani, William %A Mpyet, Caleb %A Faal, Hannah %A Schmidt, Elena %A Gilbert, Clare E. %J PLoS ONE %V 20 %N 6 %D 2025-06-24 %I Public Library of Science %~ DeepDyve