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Amplification curves of analytical sensitivity of real-time polymerase chain reaction (PCR). Curve 1: DNA from one Strongyloides stercoralis filariform larva; curve 2: 10−1 dilution of DNA from one S. stercoralis filariform larva; curve 3: 10−2 dilution of DNA from one S. stercoralis filariform larva; curve 4: 10−3 dilution of DNA from one S. stercoralis filariform larva.
