Sousa, A. et al. 2023. Invisibility of Amazonian singularities in the design and provision of Primary Health Care (PHC) services: Case study in the rural riverside area of Manaus (AM). Saúde e Sociedade. 32, 2 (Dec. 2023), e220612pt. DOI:https://doi.org/10.1590/S0104-12902023220612pt.