title: Multiple endocrine neoplasia and primary hyperparathyroidism - practical approach.
authors.affiliation: Chair of Gastroenterology and Nutrition Disorders, Faculty of Health Sciences, Nicolaus Copernicus University in Toruń, Collegium Medicum , Bydgoszcz, Poland.
authors.forename: Jarosław
authors.initials: J
authors.lastname: Koza