INFORMATION OF AUTHORS: Annals of Ibadan Postgraduate Medicine is published biannually by the Association of Resident Doctors, UCH Chapter. It is normally published in the months of June and December.

Subscription: Subscriptions are available on a calendar year basis for a volume comprising two issues. Rate in Nigeria for individuals is N850.00 per volume and N1,000.00 for institutions and libraries. Rest of the world: US $25.00. A single copy of the Journal is N500.00. Orders and payments from, or on behalf of subscribers should be sent to AIPM Office, Basement of East Wing, UCH, Ibadan. Payments may be made by certified cheque or bank draft in favour of Annals of Ibadan Postgraduate Medicine and should be addressed to the Editor-in-Chief.