TY - GEN AU - Tao,Chunrong AU - Simpson,Steve AU - Taylor,Bruce V AU - Blizzard,Leigh AU - Lucas,Robyn M AU - Ponsonby,Anne-Louise AU - Broadley,Simon AU - van der Mei,Ingrid TI - Onset Symptoms, Tobacco Smoking, and Progressive-Onset Phenotype Are Associated With a Delayed Onset of Multiple Sclerosis, and Marijuana Use With an Earlier Onset SN - 1664-2295 PY - 2018/// PB - Frontiers in neurology N1 - Publication Type: Journal Article UR - https://doi.org/10.3389/fneur.2018.00418 ER -