van den Berg, MSmit, FVos, Tvan Baal, PH2025-03-202025-03-2020112185305310.1371/journal.pone.0022884https://rivm.openrepository.com/handle/10029/645136Cost-effectiveness of opportunistic screening and minimal contact psychotherapy to prevent depression in primary care patientsArticlePlos One 2011; 6(8):e228842025-03-20