@misc{indiciae1e200d821115, title = {Two-photon exchange and elastic electron-proton scattering.}, author = {P G Blunden and W Melnitchouk and J A Tjon}, year = {2003}, doi = {10.1103/physrevlett.91.142304}, url = {https://pubmed.ncbi.nlm.nih.gov/14611520/}, note = {Source identifier: 14611520} }