Bullying among schoolchildren: Differences between victims and aggressors Xavier Garcia-Continente, Anna Pérez-Giménez, Albert Espelt, Manel Nebot Adell

Recourse to induced abortion in Spain: profiling of users and the influence of migrant populations Oscar Zurriaga, Martinez-Beneito, Galmes Truyols, M. Mar Torne, Susana Bosch, Roser Bosser, Margarita Portell Arbona

Sociodemographic aspects of the older population in front of COVID-19 pandemic in a developing country: the case of Peru Juan-Diego Mendoza-Saldaña, J. Enrique Viton-Rubio