References
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- Am J Med 1988; 85(Suppl)
- Turner-Warwick M. Epidemiology of nocturnal asthma. Am J Med 1988; 85(Suppl 1B)6–8
- Zoratti E, Busse W. Nighttime asthma symptoms; no idle threat. J Respir Dis 1990; 11(2)137–154
- August, 1991, NIH Expert Panel Report on Asthma