Mello GA, Ibañez N, Viana AL d'Ávila. A historical overview of regional health planning and primary care services in the state of São Paulo . Saúde Soc. [Internet]. 2011 Jan. 1 [cited 2024 Jun. 1];20(4):853-66. Available from: https://revistas.usp.br/sausoc/article/view/29722