APA

Kassim O. O., Raphael D. H., Ako-Nai A. K., Taiwo O., Torimiro S. E. & Afolabi O. O. (19900214). Class-specific antibodies to Bordetella pertussis, Haemophilus influenzae type b, Streptococcus pneumoniae and Neisseria meningitidis in human breast-milk and maternal-infant sera. : Annals of tropical paediatrics.

Chicago

Kassim O O, Raphael D H, Ako-Nai A K, Taiwo O, Torimiro S E and Afolabi O O. 19900214. Class-specific antibodies to Bordetella pertussis, Haemophilus influenzae type b, Streptococcus pneumoniae and Neisseria meningitidis in human breast-milk and maternal-infant sera. : Annals of tropical paediatrics.

Harvard

Kassim O. O., Raphael D. H., Ako-Nai A. K., Taiwo O., Torimiro S. E. and Afolabi O. O. (19900214). Class-specific antibodies to Bordetella pertussis, Haemophilus influenzae type b, Streptococcus pneumoniae and Neisseria meningitidis in human breast-milk and maternal-infant sera. : Annals of tropical paediatrics.

MLA

Kassim O O, Raphael D H, Ako-Nai A K, Taiwo O, Torimiro S E and Afolabi O O. Class-specific antibodies to Bordetella pertussis, Haemophilus influenzae type b, Streptococcus pneumoniae and Neisseria meningitidis in human breast-milk and maternal-infant sera. : Annals of tropical paediatrics. 19900214.