Couldn't generate code for the following reason:
Variable has units dimensionless which are incompatible with the units millimolar on a connected variable.; 
  In MathML apply element with ID DHPR_open_calculation.
  In MathML math element with ID 1c.
  In CellMLComponent element with name subspace.
  In Model element with cmeta:id RJW_model_1999 with name rice_winslow_jafri_1999_version01.