The chance encounter error.
Cohen
H E
HE
D000368:Aged; D000787:Angina Pectoris / Q000175:diagnosis; D001161:Arteriosclerosis / Q000175:diagnosis*; D003327:Coronary Disease / Q000175:diagnosis*; D005189:False Positive Reactions; D006801:Humans; D008297:Male; D008875:Middle Aged