TY - STAND AU - A. Shah AU - C. Martinez BT - Pharmacoepidemiol Drug Saf DO - 10.1002/pds.1151 M1 - 3 PY - 2006 SP - 161 EP - 6 T2 - Pharmacoepidemiol Drug Saf TI - An algorithm to derive a numerical daily dose from unstructured text dosage instructions VL - 15 SN - 1053-8569 (Print) 1053-8569 ER -