TY - RPRT TI - Degenerative vascular changes observed in selected gingival specimens. AU - S S STAHL AU - G J WITKIN AU - I W SCOPP PY - 1962 DO - 10.1016/0030-4220(62)90415-2 UR - https://pubmed.ncbi.nlm.nih.gov/13978718/ ID - 13978718 ER -