%0 Journal Article %T Reduction of free polysaccharide contamination in the production of a 15-valent pneumococcal conjugate vaccine %A Whang, Yoon Hee %A Kim, Soo Kyung %A Yoon, Hyeseon %A Choi, Seuk Keun %A Baik, Yeong Ok %A Lee, Chankyu %A Lee, Inhwan %J PLoS ONE %V 15 %N 12 %D 2020-12-10 %I Public Library of Science %~ DeepDyve