TY - GEN AU - Dyment,D A AU - Yee,I M L AU - Ebers,G C AU - Sadovnick,A D TI - Multiple sclerosis in stepsiblings: recurrence risk and ascertainment SN - 0022-3050 PY - 2006///0313 KW - Adolescent KW - Adult KW - Canada KW - Child KW - Child, Preschool KW - Cross-Sectional Studies KW - Family KW - Female KW - Genetics, Population KW - Humans KW - Male KW - Multiple Sclerosis KW - epidemiology KW - Recurrence KW - Risk KW - Siblings KW - Social Environment N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1136/jnnp.2005.063008 ER -