51.   During these asthma attacks, the breathing tubes in the lungs constrict and fill with mucus.

52.   Doctors do not believe the argument triggered the fatal asthma attack she would have less than an hour later.

53.   Doctors say that dust, pollen, animal dander, cold air, pollution and smoke, among other things, can trigger asthma attacks.

54.   Dry coughs and asthma attacks.

55.   Dry coughs, dull headaches, and asthma attacks.

56.   Finally, Williams punctuates each statement by sucking air, as if he were having an asthma attack.

57.   Half of the asthmatic children have seasonal allergies, which can trigger dangerous asthma attacks.

58.   He died of an asthma attack.

59.   He had an asthma attack, The Associated Press said.

60.   He said he loved soccer but became frustrated when an asthma attack prevented him from joining his friends on the field.