Publisher
- california digital library (cdl)2
- decker medicine llc2
- john libbey eurotext2
- mary ann liebert inc2
- ovid technologies (wolters kluwer health)2
- springer international publishing2
- universidade de santiago de compostela. servizo de publicacions e intercambio cientifico2
- university of california, davis2
- acta dermato-venereologica1