The efficacy of lamotrigine in rapid cycling and non-rapid cycling patients with bipolar disorder - Bowden,C.L.; Calabrese,J.R.; McElroy,S.L.; Rhodes,L.J.; Keck,P.E.; Cookcon,J.; Anderson,J.; Bolden-Watson,C.; Ascher,J.; Monaghan,E.; Zhiu,J. (Biol Psychiat, 1999)