TS genotyping methods were polymerase chain reaction ( PCR ) for VNTR and PCR , followed by restriction length fragment polymorphism ( PCR-RFLP ) for SNP and ins/del 6 bp .
B-GeneOrGeneProduct O O O O O O O O O O O O O O O O O O O O O O O O O O B-SequenceVariant I-SequenceVariant I-SequenceVariant O