e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Journal of agricultural and food chemistry
Application of ethyl esters and d3-methyl esters as internal standards for the gas chromatographic quantification of transesterified fatty acid methyl esters in food
S Thurnhofer, W Vetter
Index: Journal of Agricultural and Food Chemistry, , vol. 54, # 9 p. 3209 - 3214