TY - JOUR T1 - Measurement invariance of the Patient Health Questionnaire (PHQ-9) and Generalized Anxiety Disorder scale (GAD-7) across four European countries during the COVID-19 pandemic JO - BMC Psychiatry PY - 2022/03/01 AU - Shevlin M AU - Butter S AU - McBride O AU - Murphy J AU - Gibson-Miller J AU - Hartman TK AU - Levita L AU - Mason L AU - Martinez AP AU - McKay R AU - Stocks TVA et al ED - DO - DOI: 10.1186/s12888-022-03787-5 PB - BioMed Central VL - 22 IS - 1 Y2 - 2024/12/22 ER -