Proguanil is not used as a clinical curative in malaria
because:
A. Its schizontocidal action is slow
B. Resistance to proguanil is widespread
C. It is more toxic than chloroquine
D. All of the above are correct
because:
A. Its schizontocidal action is slow
B. Resistance to proguanil is widespread
C. It is more toxic than chloroquine
D. All of the above are correct