TY - RPRT TI - Post-immunization pneumococcal antibody titers and IgG subclasses. AU - R U Sorensen AU - H Hidalgo AU - C Moore AU - L E Leiva PY - 1996 DO - 10.1002/(sici)1099-0496(199609)22:3<167::aid-ppul5>3.0.co;2-m UR - https://pubmed.ncbi.nlm.nih.gov/8893255/ ID - 8893255 ER -