1. Fractionation and physical-chemical studies of a commercial preparation of the specific polysaccharide of Type 1 Pneumococcus;Alberty;J. Am. Chem. Soc.,1948
2. Studies on the antigenic structure of Treponema pallidum. 1. Nichols' pathogenic strain;Christiansen;Acta path. et microbiol. scandinav,1960
3. Sulla struttura antigene del T. pallidum;D'Alessandro;Riv. Ist. sieroterap. ital.,1949
4. The antigens of the cultured Treponema pallidum (Reiter's strain) and the antispirochetal antibodies in human syphilis;D'Alessandro;J. Ven. Dis. Inform.,1950