Screening of antimalarials against P. gallinaceum in chicks.  VI.  Evidence of two-fold acquired resistance to chloroquine diphosphate in a strain of P. gallinaceum in chicks.
D000818:Animals; D000962:Antimalarials; D002645:Chickens; D002738:Chloroquine / Q000494:pharmacology* / Q000031:analogs & derivatives; D006801:Humans; D007159:Immunologic Tests; D010961:Plasmodium / Q000187:drug effects*
D000962:Antimalarials; C023676:chloroquine diphosphate; D002738:Chloroquine
CHLOROQUINE/effects; PLASMODIUM/effect of drugs on