The performances of the previously published predictive models in this validation study were varied. Future attempts to develop models should use clearly defined, standardised and reproducible predictors wherever possible.

This research has identified time constraints and insufficient support for research as key barriers to medical professors' research productivity. Financial and technical support and lesser administrative work load are some suggested remedies to foster the professors' research output.

Meningoencephaloceles are rarely seen in adults. This case report illustrates the management of a large intranasal meningoencephalocele in an adult man. Excision of this lesion resulted in a defect in the cribriform plate which was closed using tissue and fibrin glue.

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