TY - JOUR A1 - Pieh, C. A1 - O’Rourke, T. A1 - Budimir, S. A1 - Probst, T. T1 - Relationship quality and mental health during COVID-19 lockdown Y1 - 2020 DO - 10.1371/journal.pone.0238906 VL - 15 IS - 9 ER -