field studies were conducted in kisumu , kenya , to assess the susceptibility of local strains of plasmodium falciparum to pyrimethamine alone ( by a standard 7-day in-vivo test and a 48 h in-vitro field test ) and to sulfadoxine-pyrimethamine ( by a 7-day in-vivo test ) .
C0034283
pyrimethamine
C0700599
sulfadoxine-pyrimethamine