10 additional articles

1. Evans R, Gergen PJ, Mitchell H, et al. A randomized clinical trial to reduce asthma morbidity among inner-city children: results of the National Cooperative Inner-City Asthma Study. J Pediatr. 1999; 135:332-338
2. Szefler SJ. Challenges in assessing outcomes for pediatric asthma. J Allergy Clin Immunol. 2001; 107:S456-S464
3. Asmussen L, Olsen LM, Grant EN, et al. Reliability and validity of the Children's Health Survey for Asthma. Pediatrics. 1999; 104(6)
   
4. Sullivan SA, Olsen LM. Developing condition-specific measures of functional status and well-being for children. Clin Perform Qual Health Care. 1995; 3:132-138
5. Aas K. Heterogeneity of bronchial asthma. Allergy. 1981; 36:3-10
6. Rosier MJ, Bishop J, Nolan T, Robertson CF, Carlin JB, Phelan PD. Measurement of functional severity of asthma in children. Am J Respir Crit Care Med. 1994; 149:1434-1441
7. Revicki DA, Leidy NK, Brennan-Diemer F, Sorenson S, Togias A. Integrating patient preferences into health outcomes assessment: the multiattribute asthma symptom utility index. Chest. 1998;114:998-1007
8. Carr W, Zeitel L, Weiss K. Variations in asthma hospitalizations and deaths in New York City. Am J Public Health. 1992; 82:59-65
9. Claudio L, Tulton T, Doucette J, Landrigan PJ. Socioeconomic factors and asthma hospitalizations rates in New York City. J Asthma. 1999; 36: 343-350
10. Crain EF, Weiss KB, Bijur PE, Hersh M, Westbrook L, Stein RE. An estimate of the prevalence of asthma and wheezing among inner-city children. Pediatrics. 1994;94:356-362

And here is an 11th one on the off-chance that we find some replication:

Nelson DA, Johnson CC, Divine GW, Strauchman C, Joseph CL, Ownby DR. Ethnic differences in the prevalence of asthma in middle class children. Ann Allergy Asthma Immunil. 1997;78:21-26.