Maternal anthropometry: trends and inequalities in four population-based birth cohorts in Pelotas, Brazil, 1982-2015 - Horta, Bernardo L; Barros, Fernando C; Lima, Natalia P; Assuncao, Maria C. F; Santos, Ina S; Domingues, Marlos R; Victora, Cesar G; Barros, Aluisio J. D; Manitto, Alicia Matijasevich; Menezes, Ana M. B. (International journal of epidemiology, 2019)