TY - RPRT TI - An MRI phantom material for quantitative relaxometry. AU - K A Kraft AU - P P Fatouros AU - G D Clarke AU - P R Kishore PY - 1987 DO - 10.1002/mrm.1910050606 UR - https://pubmed.ncbi.nlm.nih.gov/3437816/ ID - 3437816 ER -