title: Biomedical Research: Child health and nation's health.
authors: (1) Sudanese Journal of Paediatrics.
authors: Mustafa Abdalla M
authors: MA
authors: Salih
authors: (2) Sudanese Journal of Paediatrics.
authors: Satti Abdulrahim
authors: SA
authors: Satti
authors: (2) Sudanese Journal of Paediatrics.
authors: Mohammed Osman
authors: MO
authors: Swar