Trends in adult current asthma prevalence and contributing risk factors in the United States by state: 2000–2009

por Zhang, Xingyou, Morrison-Carpenter, Teresa, Holt, James B, Callahan, David B
Publicado 2013

Respiratory Illness in Households of School-Dismissed Students during Influenza Pandemic, 2009

por Cohen, Nicole J., Callahan, David B., Gonzalez, Vanessa, Balaban, Victor, Wang, Rose T., Pordell, Paran, Beato, Ricardo, Oyervides, Otilio, Huang, Wan-Ting, Massoudi, Mehran S.
Publicado 2011

Effect of School Closure from Pandemic (H1N1) 2009, Chicago, Illinois, USA

por Jarquin, Vanessa G., Callahan, David B., Cohen, Nicole J., Balaban, Victor, Wang, Rose, Beato, Ricardo, Pordell, Paran, Oyervides, Otilio, Huang, Wan-Ting, Lipman, Harvey, Fishbein, Daniel, Massoudi, Mehran S.
Publicado 2011