| heartburn drug | 0.66 | ...the first OTC heartburn drug. | ||
| heartburn remedy | 0.33 | Separately, the FDA approved a version of Zantax as a heartburn remedy. |
| heartburn drug | 0.66 | ...the first OTC heartburn drug. | ||
| heartburn remedy | 0.33 | Separately, the FDA approved a version of Zantax as a heartburn remedy. |