@misc{indiciae7abb69f20bac, title = {Multiple sclerosis and gamma interferon.}, author = {M A Armstrong and A D Crockard and S A Hawkins and T A McNeill}, year = {1987}, doi = {10.1016/s0140-6736(87)90667-2}, url = {https://pubmed.ncbi.nlm.nih.gov/2884471/}, note = {Source identifier: 2884471} }