| Answer | Crossword Clue |
|---|---|
| erythromycin | a broadspectrum antibiotic produced by an actinomycete and administered orally or topically |
| erythromycins | ERYTHROMYCIN, a broadspectrum antibiotic produced by an actinomycete and administered orally or topically |
| penicillin | An antibiotic or group of antibiotics produced naturally by certain blue molds, and now usually prepared synthetically |
| penicillins | An antibiotic or group of antibiotics produced naturally by certain blue molds, and now usually prepared synthetically |
