TY - RPRT TI - A micro-extraction technique with compounds isolated from thin-layer chromatograms. AU - A L Hayden AU - W L Brannon AU - N R Craig PY - 1968 DO - 10.1002/jps.2600570531 UR - https://pubmed.ncbi.nlm.nih.gov/5657549/ ID - 5657549 ER -