Las sugerencias automáticas lo ayudan a reducir la cantidad de resultados generados por la búsqueda mediante la sugerencia de opciones posibles a medida que escribe.
It's from John's Hopkins and it's free to sign up for it. You'll also get free health alerts for other things if you so choose. I don't know if they email them or if you get them at the website. I was looking around some and they do have some great info there for the lungs. http://www.johnshopkinshealthalerts.com/register_ppc_lung/copd1_reg...
