De Vries B, Stam AH, Beker F, Van den Maagdenberg AM, Vanmolkot KR, Laan L, Ginjaar IB, Frants RR, Lauffer H, Haan J, Haas JP, Terwindt GM. “CACNA1A Mutation Linking Hemiplegic Migraine and Alternating Hemiplegia of Childhood.” Cephalalgia 28, no. 8 (August 2008): 887-91.