1 0 0 http://purl.obolibrary.org/obo/VO_0000034 Diphtheria and Tetanus Toxoids Adsorbed by Sanofi Pasteur Ltd 'Diphtheria and Tetanus Toxoids Adsorbed by Sanofi Pasteur Ltd' SubClassOf 'Diphtheria-Tetanus vaccine' 'Diphtheria and Tetanus Toxoids Adsorbed by Sanofi Pasteur Ltd' SubClassOf 'obsolete class'