TY - JOUR T1 - Validation of the general health questionnaire-12 using a sample of employees from England's health care services JO - PSYCHOL ASSESSMENT PY - 1999/06/01 AU - Hardy GE AU - Shapiro DA AU - Haynes CE AU - Rick JE ED - VL - 11 IS - 2 SP - 159 EP - 165 Y2 - 2024/12/22 ER -