Mattos, L.; Silva, R.; Chaves, G.; Luiza, V. Pharmaceutical Services in Primary Healthcare and the Farmácia Popular Program: The Perspective of Public Administrators from Subnational Spheres of the Brazilian National Health System. Saúde Soc. 2019, 28 (1), 287-298. https://doi.org/10.1590/S0104-12902019170442.