Reduction in Measurement Error: Barraza-Villarreal et al. Respond

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...

Dietary Intervention and DEHP Reduction: Rudel et al. Respond

A 380 volume 119 | number 9 | September 2011 • Environmental Health Perspectives was present in 59% of the patients; recurrent infections during childhood were common; 20% required amigdalectomy. One patient suffered rheumatic fever; one patient had not been effectively immunized after repeated hepatitis vaccines; and another had defective CD4 and suffered recurrent pneumo coccal infections. It...

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