Covers gallery
Volume 31. Issue 1
January - February 2020
Pages 6-96
Tema central: Adulto mayor
Volume 31. Issue 2
March - April 2020
Pages 104-212
TEMA CENTRAL: Trastornos del Ánimo en Medicina
Volume 31. Issue 3
May - August 2020
Pages 220-378
TEMA CENTRAL: Vacunas: Actualización
Volume 31. Issue 5
September - December 2020
Pages 386-492
Tema central: Columna