@misc{indiciae6b3d4f5e3d80, title = {Introduction}, author = {B Engelhardt}, year = {2001}, doi = {10.1002/1097-0029(20010101)52:1<2::aid-jemt2>3.0.co;2-p}, url = {https://pubmed.ncbi.nlm.nih.gov/11135443/}, note = {Source identifier: 11135443} }