@misc{indiciae09e445860e79, title = {The implementation of a problem-oriented treatment plan.}, author = {A F Käyser and P G Battistuzzi and P A Snoek and P J Plasmans and A J Spanauf}, year = {1988}, doi = {10.1111/j.1834-7819.1988.tb00621.x}, url = {https://pubmed.ncbi.nlm.nih.gov/3165616/}, note = {Source identifier: 3165616} }