Abstract
Undas, A
Undas, A (reprint author), Jagiellonian Univ, Med Coll, Inst Cardiol, Ul Pradnicka 80, PL-31202 Krakow, Poland.
POLISH ARCHIVES OF INTERNAL MEDICINE-POLSKIE ARCHIWUM MEDYCYNY WEWNETRZNEJ, 2017; 127 (6): 381