TY - GEN AU - Romero,R C AU - Boxt,L M TI - Plain-film evaluation of valvular heart disease SN - 0037-198X PY - 1999///0930 KW - Heart Valve Diseases KW - diagnosis KW - Humans KW - Radiography N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1016/s0037-198x(99)80036-4 ER -