Periodontal disease and serum uric acid levels in the absence of metabolic syndrome: is there a link? A study on a sample of Cameroonian adults by Nkeck, JR, Ndjoh, JJ, Meyo Mvondo, GF, Eko Ondoa, M, Takam, O, Mbouna, SFM, Tcheutchoua Nzokou, D, Tchuisseu-Kwangoua, LA, Momo, CBY, Ekouelkoum Ngoude, JX, Chemgne, MI, Ama Moor, VJ