Lin et al. Respond to “Assessment of Respiratory Symptoms after September 11”

Lin et al . Respond to ‘ ‘ Assessment of Respiratory Symptoms after September 11 ’ ’

We appreciate the observations made by Drs. Vlahov and Galea in their invited commentary (1) on our paper (2). Given that the World Trade Center (WTC) disaster was an unprecedented event, this was not a traditional epidemiologic study but rather a community health investigation designed to respond to the public’s concerns, as well as the first step in examining the potential health effects on l...

Clayton et al. respond.

Lusk et al. respond.

We thank Schimek for his thoughtful letter. We agree that the American Association of State Highway and Transportation Officials (AASHTO) encourages bike paths; however, AASHTO’s definition of a bike path is a shared use path for pedestrians, skaters, wheelchair users, joggers, and other nonmotorized users. AASHTO discourages bicycle-only cycle tracks because, as noted by Schimek, AASHTO discou...

Nanotoxicology: Gangwal et al. Respond

Gangwal et al. (2011) addressed an important topic for nanotoxicology about assessing the toxicity of inhaled nano materials by recom mending relevant concentrations for in vitro toxicity testing. Their efforts to select in vitro concentrations based on reported occupational exposure levels of inhaled nano materials are, indeed, laudable. Their under lying conceptual approach is logical, involv...

“Phthalates”: Kelley et al. Respond