TY - RPRT TI - Progress in densitometry for quantitation in planar chromatography. AU - C F Poole AU - S K Poole PY - 1989 DO - 10.1016/s0378-4347(00)84479-5 UR - https://pubmed.ncbi.nlm.nih.gov/2671002/ ID - 2671002 ER -