Cervical cytology : a randomized comparison of four sampling methods. Discussion
MCCORD, M. L ; STOVALL, T. G ; MERIC, J. L ; SUMMITT, R. L ; COLEMAN, S. A ; SCHINK, J ; MORRISON, J. C ; TRUPIN, S. R ; KNAUS, J
American journal of obstetrics and gynecology, 1992, Vol.166 (6), p.1772-1779 [Periódico revisado por pares]Philadelphia, PA: Elsevier
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