Dual growing rod technique followed for three to eleven years until final fusion: the effect of frequency of lengthening.
Akbarnia BA, Breakwell LM, Marks DS, McCarthy RE, Thompson AG, Canale SK, Kostial PN, Tambe A, Asher MA. Dual growing rod technique followed for three to eleven years until final fusion: the effect of frequency of lengthening. Spine (Phila Pa 1976). 2008 Apr 20; 33(9):984-90.