@misc{indiciaede9424335a4e, title = {Issues of QCA validation.}, author = {P M van der Zwet and J H Reiber}, year = {1994}, doi = {10.1002/ccd.1810330124}, url = {https://pubmed.ncbi.nlm.nih.gov/8001111/}, note = {Source identifier: 8001111} }