Influence of intra- and extrauterine factors on infant sleep in the first 6 months of life Bianca Zandoná; Salete Matos; Juliana Rombaldi Bernardi; Marcelo Zubaran Goldani; Renata Rocha Kieling; Clécio Homrich da Silva;

Association between breastfeeding and complementary feeding in pre-pandemic and pandemic COVID-19 times: Maternar cohort study Bruna Luiza Holand; Clarissa de Oliveira Agostini; Marcela Caridad Medina Pacheco; Dulce Montserrat Zuchini de Leon; Michele Drehmer; Vera Lúcia Bosa;

Evaluation of the lingual frenulum in newborns using two protocols and its association with breastfeeding Maria da C.M. Araujo; Rebeca L. Freitas; Maria Goretti de Souza Lima; Veronica M. da R. Kozmhinsky; Cândida A. Guerra; Geisy M. de S. Lima; Amitis V. Costa e Silva; Paulo Correia de Melo Júnior; Manuela Arnaud; Emídio C. Albuquerque; Aronita Rosenblatt;