1. Studies on the nutrition of Endamoeba histolytica, I. Amino acid buffers;Blumenthal;Exptl. Parasitol.,1953
2. The cultivation of Endamoeba histolytica;Boeck;Am. J. Hyg.,1925
3. Chemical Embryology;Needham,1931
4. Lipoidal extract cultivation medium;Nelson;J. Parasitol.,1948
5. Agar, magnesium and phosphate in relation to growth of E. histolytica in extract medium;Nelson;J. Parasitol.,1951