PROCEEDINGS 805,024 Proceedings of the 1996 Joint Symposium on Clinical Trial Design and Analysis in Periodontics / ted.-in-chief Robert J. Genco ; guest ed. Roy C. Page]. - [Chicago] : The American Academy of Periodonto1ogy, 1997. - [4], 369 s. s il., wykr. ; 28 cm. -(Annals of Periodontology ; vol.2, nr 1)