@misc{indiciae3925c9a5cd7e, title = {Diagnostic and therapeutic challenges.}, author = {Peter Janknecht and Gregor J Zdenek and Carl Park and Sharon Fekrat}, year = {2004}, doi = {10.1097/00006982-200404000-00016}, url = {https://pubmed.ncbi.nlm.nih.gov/15097892/}, note = {Source identifier: 15097892} }