TY - RPRT TI - The pneumococcal polysaccharide S4: a structural re-assessment. AU - C Jones AU - F Currie PY - 1988 DO - 10.1016/0008-6215(88)80031-4 UR - https://pubmed.ncbi.nlm.nih.gov/3242813/ ID - 3242813 ER -