TY - RPRT TI - Drug-related problem classification systems. AU - J W Foppe van Mil AU - L O Tommy Westerlund AU - Kurt E Hersberger AU - Marion A Schaefer PY - 2004 DO - 10.1345/aph.1d182 UR - https://pubmed.ncbi.nlm.nih.gov/15054145/ ID - 15054145 ER -