The striker then headed into the path of Koo Ja-cheol following a cross by Cha Du-ri, and his forward partner doubled the lead.

CNN: STORY HIGHLIGHTS

South Korea, victors the first two times the tournament was held in 1956 and 1960, took the lead in the 24th minute at Doha's Al Gharafa Stadium through Koo Ja-cheol.

CNN: STORY HIGHLIGHTS

South Korea enjoyed the best of the second half and went close when Koo Ja-cheol hit the side-netting with a low shot before Lee Yong-rae's free kick flashed narrowly wide of the target.

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One of the researchers Dr Hee Cheol Cho, from Cedars-Sinai, told the BBC he expected the same method to work in the human heart as they used a human gene, Tbx18, to generate the effect.

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But it's not yet clear which of the two left-leaning hopefuls, Moon Jae-in of the Democratic United Party and Ahn Cheol-soo, a professor and former software mogul, will challenge Park Geun-hye, the candidate for the governing Saenuri Party.

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Relegation-threatened Augsburg leveled the scores in the 23rd minute through Koo Ja-cheol, but Gomez was on hand for his second of the afternoon latching onto a pass from Dutch winger Arjen Robben in the 59th minute to claim his 25th goal of the season.

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