Baydaş B, Uslu H, Yavuz I, Ceylan I, Dağsuyu IM. Effect of a chronic nail-biting habit on the oral carriage of Enterobacteriaceae. Oral Microbiol. Immunol. 2007, 22 (1): 1–4. PMID 17241163. doi:10.1111/j.1399-302X.2007.00291.x.使用|accessdate=需要含有|url= (帮助)
Baydaş B, Uslu H, Yavuz I, Ceylan I, Dağsuyu IM. Effect of a chronic nail-biting habit on the oral carriage of Enterobacteriaceae. Oral Microbiol. Immunol. 2007, 22 (1): 1–4. PMID 17241163. doi:10.1111/j.1399-302X.2007.00291.x.使用|accessdate=需要含有|url= (帮助)