31.   The contract to sell Iran nuclear reactors, originally signed in Soviet times, is but the latest example of internal confusion causing diplomatic stress.

32.   The doctor declined to be drawn into discussing whether four years of imprisonment might have contributed to this hypertension by causing extreme stress.

33.   There are lots of things that might cause emotional stress to a pregnant woman.

34.   Too much overtime also causes family stress, she said.

35.   What caused the stress?

36.   What causes the stress?

37.   While stress can be caused by many factors, enrichment classes draw particular ire from some child-development experts.

38.   Worries over domestic problems can cause more stress for soldiers than worries over a foreign environment.

39.   But the fisheries service held off, citing concerns that moving her might cause stress that could harm her health.

40.   Either behavior can cause stress for the baby, she explained.