His study connects Polyneuropathy and Internal medicine. In his papers, Josep M. Campistol integrates diverse fields, such as Urology and Endocrinology. His Endocrinology study frequently draws connections to other fields, such as Blood pressure. In his works, Josep M. Campistol undertakes multidisciplinary study on Blood pressure and Diabetes mellitus. As part of his studies on Diabetes mellitus, Josep M. Campistol often connects relevant areas like Metabolic syndrome. Transplantation is often connected to Belatacept in his work. As part of his studies on Belatacept, he often connects relevant subjects like Kidney transplant. His research on Kidney transplant often connects related areas such as Kidney transplantation. His Transplantation research extends to Kidney transplantation, which is thematically connected.