21.   That severe internal stress could cause a lashing-out into war in the Strait.

22.   The men who had experienced one or more episodes of severe stress were twice as likely to develop further symptoms as those for whom life had gone more smoothly.

23.   To protect themselves from severe stresses, some bacteria form spores, armored capsules that are more or less immune to hostile environments.

24.   Various circumstances, like injury, illness, a bad sunburn and severe stress, have been known to provoke the onset or progression of vitiligo.

25.   Parents complained that the children became frightened, and teachers later said the heated attention amid the shock of mourning gave students flashbacks and other symptoms of severe stress.

26.   Petrov suffered severe stress after the incident and spent several months in hospitals before being discharged from the military, the magazine added.

27.   Joining the Royal Marines during World War II, Lloyd suffered severe post-traumatic stress after his ship was sunk on Arctic convoy duty.

28.   Predictions of extreme heat and dryness in the soybean belt next week are likely to put the crop under severe stress.

29.   She said among the problems were severe psychological stress from feeling alone in a strange place.

30.   The king is said to be under severe stress since the arrest last month of his half-brother, Prince Norodom Sirivudh.