Oral immunization with a Streptococcal pneumoniae polysaccharide conjugate vaccine in enterocoated microparticles induces serum antibodies against type specific polysaccharides
1991 ◽
Vol 10
(8)
◽
pp. 560-563
◽
1996 ◽
Vol 15
(2)
◽
pp. 170-172
◽