1.   Patients were deemed to have had prior slow healing if any previous ulcer had required a repeat course of treatment to effect healing.

2.   Confidence intervals for the ratio of observed to expected numbers of patients with previous peptic ulcer were calculated from published tables for Poisson distributions.

3.   She said earlier that the hunger strike had aggravated previous ulcer problems and made her feel ill, but she has refused treatment other than accepting serum.

4.   The former First Lady said the hunger strike has aggravated previous ulcer problems and made her feel ill, but she has refused treatment other than accepting serum.