【求助】(已应助)再求两篇英文文献

Simultaneous determination of - and -carnitine using a sequential injection analysis/amperometric biosensors system
Journal of Pharmaceutical and Biomedical Analysis, Volume 33, Issue 2, Pages 323-328 (19 September 2003)
Raluca-Ioana Stefan, Rahel Girmai Bokretsion, Jacobus F. van Staden and Hassan Y. Aboul-Enein

33-323

Determination of l-carnitine in food supplement formulations using ion-pair chromatography with indirect conductimetric detection
Journal of Chromatography A, Volume 1069, Issue 2, Pages 209-215 (1 April 2005)
Aikaterini Kakou, Nikolaos C. Megoulas and Michael A. Koupparis

1069-209

Determination of carnitine and acylcarnitines in urine by high-performance liquid chromatography–electrospray ionization ion trap tandem mass spectrometry
Journal of Chromatography A, Volume 984, Issue 2, Pages 203-213 (17 January 2003)
Laurence Vernez, Gérard Hopfgartner, Markus Wenk and Stephan Krähenbühl

984-203