PO Obiajunwa, MY Ijadunola, TO Ojo, B Mohammed, OT Olatunji, OO Adesiyan, YO Ogundiran and ET Ajayi 2014. Parents’ Acceptability and Health Workers’ Perspectives of Pneumococcal Conjugate Vaccination for Under-Fives in Ile-Ife, Nigeria. Journal of Community Medicine & Primary Health Care. 26, 2 (Sep. 2014), 46–58.