TY - RPRT TI - Two-step, two-dimensional development thin-layer chromatography of lipids on a micro-scale. AU - F H Hubmann PY - 1973 DO - 10.1016/s0021-9673(01)81253-x UR - https://pubmed.ncbi.nlm.nih.gov/4765307/ ID - 4765307 ER -