TY - RPRT TI - A new thin-layer method for phenolic substances and coumarins. AU - C F Van Sumere AU - G Wolf AU - H Teuchy AU - J Kint PY - 1965 DO - 10.1016/s0021-9673(01)97365-0 UR - https://pubmed.ncbi.nlm.nih.gov/5866121/ ID - 5866121 ER -