TY - RPRT TI - SYSTEMIC VENULAR INSUFFICIENCY. AU - M J SEIJFFERS AU - J J GROEN AU - E DAVIS PY - 1964 DO - 10.1016/0002-9343(64)90158-5 UR - https://pubmed.ncbi.nlm.nih.gov/14117628/ ID - 14117628 ER -