mackenzie_loo_panayotova-heiermann_wright_1996 = http://models.cellml.org/workspace/mackenzie_loo_panayotova-heiermann_wright_1996
eskandari_wright_loo_2005 = http://models.cellml.org/workspace/eskandari_wright_loo_2005
chang_fujita_b_1999 = http://models.cellml.org/workspace/chang_fujita_b_1999