THURSDAY, April 5 (HealthDay News) -- Developing stem cell lines that don't have cells that potentially grow into cancer has been one of the biggest challenges for stem cell therapies. Czytaj więcej »
THURSDAY, April 5 (HealthDay News) -- Developing stem cell lines that don't have cells that potentially grow into cancer has been one of the biggest challenges for stem cell therapies. Czytaj więcej »
By EZEQUIEL MINAYA CARACAS—Venezuelan President Hugo Chávez returned home late Wednesday night after his second stint in Cuba seeking radiation therapy for a recurrence of cancer. Uncertainty over the president's health has rocked the oil-rich South American country ahead of October presidential elections. Though he has given few details on his condition, Mr. Chávez says he is fit...
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