APA

Persson G. R., Alves M. E., Chambers D. A., Clark W. B., Cohen R., Crawford J. M., DeRouen T. A., Magnusson I., Schindler T. & Page R. C. (19960821). A multicenter clinical trial of PerioGard in distinguishing between diseased and healthy periodontal sites. (I). Study design, methodology and therapeutic outcome. : Journal of clinical periodontology.

Chicago

Persson G R, Alves M E, Chambers D A, Clark W B, Cohen R, Crawford J M, DeRouen T A, Magnusson I, Schindler T and Page R C. 19960821. A multicenter clinical trial of PerioGard in distinguishing between diseased and healthy periodontal sites. (I). Study design, methodology and therapeutic outcome. : Journal of clinical periodontology.

Harvard

Persson G. R., Alves M. E., Chambers D. A., Clark W. B., Cohen R., Crawford J. M., DeRouen T. A., Magnusson I., Schindler T. and Page R. C. (19960821). A multicenter clinical trial of PerioGard in distinguishing between diseased and healthy periodontal sites. (I). Study design, methodology and therapeutic outcome. : Journal of clinical periodontology.

MLA

Persson G R, Alves M E, Chambers D A, Clark W B, Cohen R, Crawford J M, DeRouen T A, Magnusson I, Schindler T and Page R C. A multicenter clinical trial of PerioGard in distinguishing between diseased and healthy periodontal sites. (I). Study design, methodology and therapeutic outcome. : Journal of clinical periodontology. 19960821.