oral colonisation by aerobic and facultatively anaerobic gram-negative rods and yeast in tibetans living in lhasa. | sample groups of children (n=50) and adults (n=38) were selected from pools of 207 children, (11-13-year olds from two primary schools) and 94 adults (25-44-year olds from four governmental agencies) who were the subjects of an oral health survey among tibetans living in lhasa, tibet autonomous region. mean ages of the study groups of children (38% females) and adults (61% females) were 11.6+/-0.9 and 37.1+/-6.1 years, respectively. all had lived in tibet since birth. oral rinse samples were sel ... | 2003 | 12642230 |