TY - RPRT TI - A morphological study on human lingual venous valves. AU - H Shangkuan AU - W Xinghai AU - Z Shizhen AU - W Zengxing AU - J Shiying PY - 1998 DO - 10.1007/bf01628890 UR - https://pubmed.ncbi.nlm.nih.gov/9706674/ ID - 9706674 ER -