Nucleolar Organizer Regions of Oral Epithelial Cells in Crack Cocaine Users

Magna Carvalho De M. Thiele, Joslei Carlos Bohn, Cassiano Lima Chaiben, Ana Maria Trindade Grégio, Maria Ângela Naval Machado & Antonio Adilson Soares De Lima
Iranian Biomedical Journal (IBJ); ISSN 1028-852X