Determinants of the introduction of early complementary feeding before and after the third month of life: a multinomial analysis. - Trovão T; Cavalcante MCV; Rodrigues MC; Ferraro AA; Bettiol H; Saraiva MCP; Lamy ZC; Lamy-Filho F (Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologica, 2020)