TY - RPRT TI - Improved methods using the reverse transcriptase polymerase chain reaction to detect tumour cells. AU - S A Burchill AU - I J Lewis AU - P Selby PY - 1999 DO - 10.1038/sj.bjc.6690155 UR - https://pubmed.ncbi.nlm.nih.gov/10070899/ ID - 10070899 ER -