Severe Relapse of Epilepsy after Vigabatrin Withdrawal: For How Long Should We Treat Symptomatic Infantile Spasms? - Kröll‐Seger, Judith; Kaminska, Anna; Moutard, Marie Laure; De Saint‐Martin, Anne; Guët, Agnes; Dulac, Olivier; Chiron, Catherine (Epilepsia (Copenhagen), 2007)