A man with no previous history of allergy or chest disease developed asthma after exposure to a heavy atmospheric concentration of amprolium hydrochloride which is a constituent of a poultry-food additive. Subsequent experimental exposure produced an immediate asthmatic reaction which was inhibited by sodium cromoglycate.
No takes yet. Share an insight, caveat, or question.
Greene et al. (1976) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: