current stim_amplitude time stim_offset time stim_t_end time stim_offset stim_period stim_duration time stim_offset N_period_total stim_period N_period_applied stim_period 0 Nickerson David david.nickerson@nus.edu.sg National University of Singapore Division of Bioengineering 2008-03-12 Protocol defining a periodic stimulus current. This CellML file describes the protocol for the application of a periodic stimulus current. David Nickerson Division of Bioengineering, National University of Singapore Here we define the periodic stimulus protocol.