Actress Oyama Nobuyo (71) suffered a mild stroke in addition to her recent 
heart
attack, it was revealed this week. For many years the voice of anime robot 
cat
Doraemon, Oyama was hospitalized in April and was expected to leave hospita
l at
the beginning of this month. But following the discovery of the stroke, it 
was
decided to keep her in for further tests and rehabilitation.