TY - RPRT TI - Effective labelling is difficult, but safety really does matter. AU - C S Webster AU - D J Mathew AU - A F Merry PY - 2002 DO - 10.1046/j.1365-2044.2002.2470_32.x UR - https://pubmed.ncbi.nlm.nih.gov/11871990/ ID - 11871990 ER -