TY - GEN AU - Török,I AU - Harkányi,Z AU - Makó,E TI - [Gray scale echocholecystography] SN - 0030-6002 PY - 1980///0625 KW - Cholelithiasis KW - diagnosis KW - Humans KW - Ultrasonics KW - methods KW - Ultrasonography N1 - Publication Type: Journal Article ER -