TY  - RPRT
TI  - [Thin-layer chromatography. IV. Insertion scheme, marginal effect, "acid and base" layers, gradation technic].
AU  - E STAHL
DO  - 10.1002/ardp.19592920804
UR  - https://pubmed.ncbi.nlm.nih.gov/13833625/
ID  - 13833625
ER  -