TY - GEN AU - Woolfenden,W R AU - Grant,D M AU - Straight,R C AU - Englert,E TI - Chemical characterization of pigment gallstones using 13C nuclear magnetic resonance analysis SN - 0006-291X PY - 1982///1202 KW - Bilirubin KW - analysis KW - Carbon Isotopes KW - Cholelithiasis KW - pathology KW - Cholesterol KW - Humans KW - Magnetic Resonance Spectroscopy N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1016/0006-291x(82)91545-5 ER -