Randomised trial of 23-valent pneumococcal capsular polysaccharide vaccine in prevention of pneumonia in middle-aged and elderly people
Örtqvist, Åke, Hedlund, Jonas, Burman, Lars-Åke, Elbel, Elisabet, Höfer, Margareta, Leinonen, Maija, Lindblad, Ingrid, Sundelöf, Bo, Kalin, Mats
Published in The Lancet (British edition) (07.02.1998)
Published in The Lancet (British edition) (07.02.1998)
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