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TD-PCR analysis of patients' urine samples. (a) PCR for verifying F3 and B3 primer functioning for amplifying the 214 bp fragment. (b) Samples from the Hospital de Poniente (El Ejido, Almería). (c) Samples from the Hospital Clínic de Barcelona. M: molecular weight marker (DNA Ladder 100 bp PLUS BLUE); C+: Strongyloides venezuelensis DNA (positive control); C−: ultrapure water, no DNA (negative control).
