Adapting the WHO Behavioural and Social Drivers of Vaccination (BeSD) tools and Vaccination Attitudes Examination (VAX) scale for pregnant women in South Africa: Insights from a mixed-methods pilot study - Imen Ayouni; Jennifer Nyawira Githaiga; Edina Amponsah-Dacosta; Benjamin M. Kagina; Rudzani Muloiwa (PLoS ONE, 2025)