TY - GEN AU - Calabresi,E AU - Lasagni,L AU - Franceschelli,F AU - Bartolini,L AU - Serio,M AU - Brandi,M L TI - Use of an internal standard to measure pyridinoline and deoxypyridinoline in urine SN - 0009-9147 PY - 1994///0324 KW - Amino Acids KW - urine KW - Chromatography, High Pressure Liquid KW - standards KW - Humans KW - Reference Standards N1 - Publication Type: Letter; Research Support, Non-U.S. Gov't ER -