RADWAN N.A., ABOU SHAFEEY H.E. and KHALIL A.I. 2012. "CHEMICAL CHARACTERIZATION OF TEGUMENTAL SPINES OF FOUR DIGENEAN SPECIES USING ENERGY DISPERSIVE X-RAY MICROANALYSIS (EDXA)." International Journal of Parasitology Research 4(2):100-105. http://dx.doi.org/10.9735/0975-3702.4.2.100-105