Fig. 2
Arrangement of the five target drugs in error-induction models F1-F2 (same-name drugs). The location displays of the five target drugs in error-induction models F1-F2 (same-name drugs) are indicated using the “numeral combination (upper side)” and “color/symbol combination (lower side)”, respectively. These five target drugs and their locations in models F1-F2 are the same. The location spots of the five target drugs and both adjacent drugs having the same names in models F1-F2 are shown as black circles (●) and white circles (○), respectively