A neonatal hypocalcemia due to maternal vitamin D deficiency. Reviewing supplementation Víctor Adán Lanceta; Nuria Martín Ruiz; Silvia Benito Costey; Roberto Alijarde Lorente; José Miguel Martínez de Zabarte Fernández;

Blood pressure measurement in children and adolescents: key element in the evaluation of arterial hypertension Julio Álvarez; Francisco Aguilar; Empar Lurbe;

Sexually transmitted infections in Portuguese adolescents Sara Fonseca; Luísa Lacerda; Cláudia Teixeira; Ana Reis-Melo; Margarida Tavares;