Alves S, Amorim A, Prata MJ

Evolution of a VNTR located within the promoter region of the thiopurine methyltransferase gene: inferences from population and sequence data. Human genetics 111: 172-8, 2002.  [Article] 

 doi: 10.1007/s00439-002-0784-5 PMID: 12189491.