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RFLP analysis with MnlI (20) of PCR (primers CYCF3E and CYCR4B 33)-positive samples. Lanes: M, 25-bp ladder; 0, sterile ddH2O control; 1, SDC sample collected on 21 April 1998; 2 and 3, SARHB samples collected on 5 June 1998; 4 and 5, SARVB samples collected on 28 August 1998; 6, SARYL sample collected on 28 September 1998. “Uncut” identifies undigested PCR products.
