@misc{indiciaefb71a27a8f82, title = {[Systematic approach to a difficult diagnostic problem].}, author = {J B Storm van Leeuwen and S J Jongen and A H Engelage and A H Oostdijk}, year = {1996}, url = {https://pubmed.ncbi.nlm.nih.gov/8720711/}, note = {Source identifier: 8720711} }