11.   Do not undertake strenuous exercise for a few hours after a meal to allow food to digest.

12.   But since the school term had started they had spent hour after hour in intense, ill-informed conversations about who was who in seventh-century Medina.

13.   The creation of hollowings had become a difficult and energetic process, leaving Tallis weary for hours after.

14.   The first changes of net water and ion transport were observed after the second or third hour after administration of cholera toxin.

15.   The maximal effect during the four hour experiment occurred in the fourth hour after administration of cholera toxin.

16.   In our experiments the secretory effect of cholera toxin began in the second hour after administration of the toxin.

17.   It has previously been shown that infiltration of lymphocytes in the submucosa occurs within only a few hours after gliadin challenge.

18.   Psyllium significantly delayed gastric emptying from the third hour after a meal.

19.   It increased the sensation of satiety and decreased hunger at the sixth hour after the meal.

20.   In the first hour after finding her dress and necklace he might have been prepared to accept a rational explanation -- or even a bemused denial of involvement.