6Alebic-Kolbah T, Hirsl-Starcevic S. Determinaton of piracetam in serum by gas chromatography [ J ]. J Chromatogr Biomed Appl, 1990, 526(2) :556 - 561.
7Mascher H, Kikuta C. Rapid method for the sensitive determination of Piracetarn in plasma by high-performance liquid chromatography [J]. Journal of Pharmaceutical & Biomedical Analysis, 1989, 7 ( 7 ) : 913 -916.
8Robert M Nalbandian, Marc F Kublcek, William J O' Brien, et al. Liquid-chromatographic quantification of Piracetam [J]. Clin Chem, 1983, 29(4) :664 - 666.
9Louchehi K, Tod M, Bonnardel P. Determination of piracetam in human plasma and urine by liquid chromatography [J]. J Chromatogr B, Biomed App, 1995,663(2) :385 - 389.
10Lamparczyk H, Kowalski P, Rajzer D, et al. Determination of piracetam in human plasma by capillary electrophoresis [J]. J Chromatogr B, Biomed Appl, 1997,692(2) :483 - 487.