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. 2007 Jan 3;2(1):e139. doi: 10.1371/journal.pone.0000139

Table 1. Number of isolates studied by calendar year of survey and successfully typed by molecular beacons for the Pfcrt K76T and Pfdhfr-ts S108N loci and by nested PCR for the Pfmsp1 block2 locus.

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No isolates typed
No isolates studied Pfcrt Pfdhfr msp1block 2
year of survey (N = 336) (N = 324) (N = 303) (N = 306)
1990 23 23 22 23
1991 30 30 30 29
1992 30 29 29 29
1993 37 37 36 36
1994 35 32 30 34
1995 38 35 34 33
1996 46 44 41 38
1997 26 24 18 25
1998 52 51 44 44
1999 19 19 19 15