Breastfeeding duration and nutritional status of infants and toddlers in Spain. LAyDI study (PAPenRed) Silvia Martín-Ramos; Begoña Domínguez-Aurrecoechea; Manuela Sánchez Echenique; Rubén Garcia Pérez; Alicia Bonet Garrosa; Gonzalo Solís-Sánchez;

Influence of the mother's lifestyles on the initiation of breastfeeding: A case-control study María del Campo Giménez; Jesús López-Torres Hidalgo; Alba Fernández Bosch; Carlos Martínez de la Torre; María Minuesa García; Sara Córcoles García; Ignacio Párraga Martínez;

Effect of prenatal and postnatal exposure to tobacco in the development of acute bronchiolitis in the first two years of life Lorena Bermúdez Barrezueta; María Miñambres Rodríguez; Marta Palomares Cardador; Irune Torres Ballester; Pablo López Casillas; José Moreno Carrasco; Asunción Pino Vázquez;