This study was published in Military Medicine: International Journal of AMSUS 168(3):239 In a telephone survey of 4,022 military volunteers for a 1955-1975 program of experimental exposures to chemical agents at Edgewood, Maryland, the current health of those exposed to anticholinesterase agents was compared with that of men exposed to no active chemicals (on chemical test) and to two or more other types of chemical agents (other chemical tests).