TY - RPRT TI - Possible sources of error in solvent extraction procedures for catecholamines. AU - A H Anton AU - D F Sayre PY - 1968 DO - 10.1016/0014-2999(68)90031-9 UR - https://pubmed.ncbi.nlm.nih.gov/5724920/ ID - 5724920 ER -