Begley Charles E, Beghi Ettore, Beran Roy G, Heaney Dominic, Langfitt John T, Pachlatko Christopher, Silfvenius Herbert, Sperling Michael R, Wiebe Samuel
School of Public Health, University of Texas-Houston, Houston, USA.
Epilepsia. 2002 Jun;43(6):668-73. doi: 10.1046/j.1528-1157.2002.d01-3.x.