"MRI"@en-us . . . "magnetic resonance imaging"^^ . "100902579"^^ . "the use of nuclear magnetic resonance of protons to produce proton density images"@en-us . . "0"^^ . . "magnetic resonance imaging"@en-us . "0"^^ . . . "100848601"@en-us . . . "00902579-n"^^ . . "100580161"@en-us . . . .