1. Maternal Health and Safe Motherhood Programme;World Health Organization;MSM96.7,1996
2. Immunogenicity of combined diphtheria, tetanus, and pertussis vaccine given at 2, 3, and 4 months versus 3, 5, and 9 months of age [see comments];Booy;Lancet,1992
3. Immunogenicity in infants of Haemophilus influenzae type B polysaccharide in a conjugate vaccine with Neisseria meningitidis outer-membrane protein;Einhorn;Lancet,1986
4. Measles vaccine immunogenicity in 6-versus 15-month-old infants born to mothers in the measles vaccine era;Johnson;Pediatrics,1994
5. Deficiency of the humoral immune response to measles vaccine in infants immunized at age 6 months;Gans;J. Am. Med. Assoc.,1998