TY - RPRT TI - Formate buffer as preservative for urinary free catecholamine measurement. AU - Y P Iu AU - C S Ho AU - T W L Mak PY - 2004 DO - 10.1258/000456304322664672 UR - https://pubmed.ncbi.nlm.nih.gov/14713383/ ID - 14713383 ER -