A threshold value for the time delay to TB diagnosis.

by Pieter W Uys, Robin M Warren, Paul D van Helden
Published 2007-01-01

The effect of diagnostic delays on the drop-out rate and the total delay to diagnosis of tuberculosis.

by Stephen J Millen, Pieter W Uys, John Hargrove, Paul D van Helden, Brian G Williams
Published 2008-01-01