28.12.2019
All the best for Christmas and the New Year!
Dariusz Kajdaniuk
Polish Society of Endocrinology
Department of Endocrinology and Neuroendocrine Neoplasms, Chair of Pathophysiology and Endocrinology, Medical University of Silesia
Ceglana Str. 35, 40-514 Katowice, Poland
