@misc{indiciae8b58e3482649, title = {Functionally distinct subsites on a class II major histocompatibility complex molecule.}, author = {F Ronchese and R H Schwartz and R N Germain}, doi = {10.1038/329254a0}, url = {https://pubmed.ncbi.nlm.nih.gov/3041233/}, note = {Source identifier: 3041233} }