If it is taken in small doses, the drug has no harmful effects.
举一反三
- This drug contains no _____ substances and has no side effects.
- Every drug has some side effects.
- The drug has several side ( ). A: affects B: infects C: effects D: defects
- The big company has taken over many small ones as a result of (compete) _____ .
- 6 __________________is the study of drug effects at the population level. It is concerned with the variability of drug effects between ______________in a population, and between_____________.