Resumen de Net effects of bicycle share programs on bike safety.

Krycia Cowling, Janessa M. Graves, I. Barry Pless, Frederick P. Rivara

• A letter to the editor is presented in response to the article "Public Bicycle Share Programs and Head Injuries" by J. M. Graves, I. Barry Pless and Frederick P. Rivara, which appeared in a previous 2014 issue of the journal.