TY - GEN AU - Krzemińska-Pakuła,M AU - Adamek-Kośmider,A TI - [Transesophageal echocardiography. Clinical application] SN - 0022-9032 PY - 1991///1216 KW - Echocardiography KW - methods KW - Heart Diseases KW - diagnosis KW - Humans N1 - Publication Type: Journal Article ER -