Determinants of the introduction of early complementary feeding before and after the third month of life: a multinomial analysis - Trovão, T.; Cavalcante, M. C. V.; Rodrigues, M.C.; Ferraro, Alexandre Archanjo; Bettiol, Heloisa; Saraiva, Maria da Conceição Pereira; Lamy, Zeni Carvalho; Lamy Filho, Fernando (Brazilian Journal of Medical and Biological Research, 2021)