source: [tag=VB | tag=IN] [word=falciparum] □
destination: [tag=VB | tag=IN] [word=falciparum] □ □
spec: Some entries may include abstracts and / or full-text attachments . This phenomenon does not occur in falciparum or malariae malaria , and reappearance of these forms of the disease is the result of inadequate treatment or of infection with drug-resistant strains .