TY - JOUR T1 - The clinical relevance of observational research JO - Emergency Medicine Journal PY - 1998/01/01 AU - Lecky FE AU - Driscoll PA ED - DO - DOI: 10.1136/emj.15.3.142 VL - 15 IS - 3 SP - 142 EP - 146 Y2 - 2024/12/22 ER -