6US EPA Method 445.0, In vitro determination of chlorophyll a and pheophytin a in marine and freshwater algae by fluorescence[S], 1997.
7US EPA Method 446.0, In vitro determination of chlorophylls a, b, e + c and pheopigments in marine And freshwater Algae by visible spectrophotometry[S], 1997.
8US EPA Method 447.0, Determination of chlorophylls a and b identification of other pigments of interest in marine and freshwater algae using high performance liquid chromatography with visible wavelength detection[S], 1997.
9ISO 10260:1992, Water quality-measurement of biochemical parameters-spectrometric determination of the chlorophyll-a concentration[S], 1992.
9Haque R, Nevill LM, Hahn P, et al. Rapid diagnosis of Entamoeba infection by using Entamoeba and Entamoeba histolytica stool antigen detection kits[J]. J Clin Microbiol, 1995,33:2558-2561.
10Lowther SA, Dworkin MS, Hanson DL. Entamoeba histolytica/Entamoeba dispar infections in human immunodeficiency virus-infected patients in the United States[J]. Clin Infect Dis, 2000,30: 955-959.
