I have come up with this article which may result of your interest (it’s in Spanish, but with a little effort you can probably make your way through most of it – BTW, Google’s Language Tools have been greatly enhanced over the last years!):
LAS LLAMADAS “BOMBILLAS DE BAJO CONSUMO” SON PELIGROSAS PARA LA SALUD
It quotes several sources to support its statements. One such source that refers to only one of the concerns raised in the article can be found here (English readers rejoice! ) :
Shedding Light on Mercury Risks from CFL Breakage (PDF)
This is the first time I find an alarming view on CFLs. All the analyses I had read neglected the perils of the “low concentration” of mercury, not to mention others such as radiation, which were directly omitted. It’s amazing that the recommendations regarding CFL breakage/cleanup are completely ignored by people in my country.
What about you? Do you use CFLs? What precautions do you take, if any?