“…The capsular polysaccharide (1,17,28) has been shown to be responsible for the serological specificity of C. neoformans. Recently the chemical structures of the repeating units of the polysaccharides responsible for the specificities of serotypes A, B, C, and D of C. neoformans were defined by Bhattacharjee et al (3-7), Cherniak et al (9), and Merrifield and Stephen (21).…”