Robertson, A. J., Beck, J. S., Anderson, J. M., Burnett, R. A., Howatson, S. R., Lee, F. D., . . . Walker, F. (1989). Grading of cervical intraepithelial neoplasia.
Citação norma ChicagoRobertson, A J., et al. Grading of Cervical Intraepithelial Neoplasia. 1989.
MLA CitationRobertson, A J., et al. Grading of Cervical Intraepithelial Neoplasia. 1989.
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