Sleep patterns in childhood: a longitudinal assessment from the Generation XXI birth cohort Marta Gonçalves; Ana Rute Costa; Milton Severo; Ana Henriques; Henrique Barros;

Quality of records in clinical forms of childbirth in the Maternity Hospital of Lubango, Angola Tomas Hambili Sanjuluca; Anabela Almeida; Ricardo Correia; Tiago Costas;

ITC EUREST-PLUS Spain: protocol of a prospective longitudinal study of smokers in Spain Marcela Fu; Yolanda Castellano; Olena Tigova; Pete Driezen; Mary E. Thompson; Susan C. Kaai; Anne C.K. Quah; Geoffrey T. Fong; Constantine I. Vardavas; Esteve Fernández;