They say their findings, published in the journal Nature Medicine, will help develop ways of preventing asthma.

BBC: Crippling viral infections 'cause asthma'

The findings were published Sunday in the journal Nature Medicine.

CNN: STORY HIGHLIGHTS

The research is published in the journal Nature Medicine.

BBC: Lab mice

The researchers, from the Howard Hughes Medical Institute at Baylor College of Medicine in Houston and Stanford University, published their results in the journal Nature Genetics.

BBC: News | Health | Scientists crack secret of child disease

It published its results not in a major scientific journal such as Nature or Science, but in an obscure online journal called e-biomed: The Journal of Regenerative Medicine, which many leading medical scientists don't read.

ECONOMIST: To clone or not to clone, is that the question? | The