Gryko, Mariusz Grzechocińska, Barbara Grzechocińska, Barbara Grzelak, Piotr Grzesiak, Mariusz Grzesiuk, Wiesław Grzeszczak, Władysław Grzeszczak, Władysław Grzeszczak, Władysław, Department of Internal Medicine, Diabetology and Nephrology, Medical University of Silesia, Zabrze, Poland Grzeszczak, Władysław, Medical University of Silesia in Katowice, School of Medicine with the Division of Dentistry, Department and Clinic of Internal Diseases, Diabetology and Nephrology, Zabrze, Poland Grzeszczak, Władysław, Department of Internal Medicine, Diabetology and Nephrology, Medical University of Silesia, Zabrze, Poland (Poland) Grzeszczak, Władysław Grzeszczak†, Władysław Grzymislawski, Marian Grzymisławska, Małgorzata Grzywa, Marek Grzywa, Tomasz M. Grzywa-Celińska, Anna Grzywna, Ewelina Grzywnowicz, Karolina Gu, Yuan Gubała, Elżbieta Gubała, Elżbieta, Nuclear Medine and Endocrine Oncology Department; M. Sklodowska-Curie Memorial Cancer Center and Institute of Oncology, Gliwice Branch (Poland) Guediche, Mohamed Neji, Pediatric Department, Monastir’s University Hospital, Tunisia Gueorguiev, Maria