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Six pictographs rated the most difficult by participants
| Concept/Caption (% Not Easy, Sample Size) | Original Pictograph | Revised Pictograph |
|---|---|---|
| Do not store near heat or in sunlight (64%, N = 22) |  |
 |
| Take until gone (57%, N = 14) |  |
 |
| Insert into vagina (45%, N = 22) |  |
 |
| For stomach/intestinal problems (45%, N = 22) |  |
 |
| Read the label (45%, N = 22) |  |
 |
| Flammable (45%, N = 22) |  |
 |
All images used by permission. © copyright United States Pharmacopeia
