Medical histories may be unreliable in screening volunteers for clinical trials

Clinical Pharmacology & Therapeutics (1996) 60, 353–356; doi:

[1]  D. J. Gray,et al.  SUDDEN DEATH OF A VOLUNTEER , 1985, The Lancet.

[2]  H. Friedman,et al.  The importance of measuring cotinine levels to identify smokers in clinical trials , 1994, Clinical pharmacology and therapeutics.

[3]  G. Kolata.  NIH shaken by death of research volunteer. , 1980, Science.