| Also in South Korea, it is reported in 2003 that analyses of urine samples in epidemiological investigations conducted before and after kosa arrived showed that carcinogens belonging to polycyclic aromatic hydrocarbon (PAH) increased by 25 percent on average when kosa arrived. |
また、同じく韓国で2003年、黄砂の飛来する前後に行われた疫学調査では、尿の成分測定で多環芳香族炭化水素(PAH)に属する発ガン性物質が平均で25%増加したと発表された。 |