The polymerase chain reaction: a new epidemiological tool for investigating cervical human papillomavirus infection.
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C. Woodman | L. Young | N. Maitland | I. Bevan | T. Bromidge | P. Blomfield | M. Johnson | M. Johnson | M. Johnson | N. J. Maitland | T. Bromidge | Lawrence S. Young | P. Blomfield | M. A. Johnson