@misc{indiciae0871385bf141, title = {The Sonya Slifka Longitudinal Multiple Sclerosis Study: methods and sample characteristics.}, author = {S L Minden and D Frankel and L Hadden and J Perloffp and K P Srinath and D C Hoaglin}, year = {2006}, doi = {10.1191/135248506ms1262oa}, url = {https://pubmed.ncbi.nlm.nih.gov/16459717/}, note = {Source identifier: 16459717} }