Fig. 3
From: Analysis of coumarin and angelica lactones in smokeless tobacco products

Individual value plot: coumarin concentrations (ng/g STP WWB) by STP style. Concentrations < LOD or < LOQ are shown as 0
From: Analysis of coumarin and angelica lactones in smokeless tobacco products
Individual value plot: coumarin concentrations (ng/g STP WWB) by STP style. Concentrations < LOD or < LOQ are shown as 0