TY - BOOK AU - Rutherford,T.R. AU - Davies,D.B. AU - Elliott,A.C. AU - Jones,C. TI - Location and quantitation of the sites of O-acetylation on the capsular polysaccharide from Streptococcus pneumoniaetype 9V by 1H-n.m.r. spectroscopy: comparison with type 9A ER -