%0 Journal Article
%B PLoS ONE
%D 2014
%F Prof
%G eng
%P e94578.
%T A randomized clinical trial of the immunogenicity of 7-valent pneumococcal conjugate vaccine compared to 23-valent polysaccharide vaccine in frail, hospitalized elderly.
%V 9
%2 24760002
%7 2014 April 23