A pedestrian walks by a copy of a magazine featuring South Korean stem cell researcher Hwang Woo-suk in Seoul Tuesday, Dec. 27, 2005. Seoul National University said Tuesday it has commissioned DNA tests on more samples from scientist Hwang's lab amid reports that the university's earlier tests showed Hwang's embryonic stem cells were matched to patients' DNA. The letters read 'Hwang Woo-suk dilemma'. (AP Photo/Ahn Young-joon)
