TY - JOUR T1 - Article 7. An introduction to hypothesis testing. Parametric comparison of two groups--2 JO - Emergency Medicine Journal PY - 2001/12/01 AU - Driscoll P ED - DO - DOI: 10.1136/emj.18.3.214 PB - BMJ VL - 18 IS - 3 SP - 214 EP - 221 Y2 - 2024/12/22 ER -