1.   But the federal agency that issued the citations contends that the disastrous asthma study was symptomatic of a wider breakdown.

2.   The rules called for excluding smokers from an asthma study?

3.   A preliminary federal investigation released Monday said Johns Hopkins University researchers deviated from safety standards in an asthma study in which a healthy participant died.

4.   A volunteer died while participating in a Johns Hopkins University asthma study in which participants inhaled a blood pressure medication known to restrict airways.

5.   Two federal agencies have warned hundreds of research institutes nationwide about the drug tested on a volunteer who died in a Johns Hopkins asthma study.