Hints and tips:
...Dr Leiden says the company is working on other rare diseases caused by genetic defects such as sickle cell....
...At a carnival parade in the Tuscan town of Viareggio last week, a float of Pope Francis showed him raising one fist and holding a hammer and sickle in the other hand....
...Jeffrey Gulcher, chief scientific officer of deCODE, another genetic screening company, used his own test to look for mutations linked to diseases....
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