TY - RPRT TI - Multiple sclerosis and birth order. AU - N Zilber AU - M Kutai-Berman AU - E Kahana AU - A D Korczyn PY - 1988 DO - 10.1111/j.1600-0404.1988.tb03662.x UR - https://pubmed.ncbi.nlm.nih.gov/3223226/ ID - 3223226 ER -