खोला सानजा हादोरसा, साहा केरलायनानि दिउक मुलुकफरायसालि मेदिकेल फरायसालिनि नायबिजिरग्राफोरा नरवेनि 1967 आरो 1988नि गेजेरनि 1.16 मिलियन जोनोमखौ नायबिजिरदोंमोन आरो आयदाफोरखौ 2002सिम उनसंदोंमोन |
Researchers at the Duke University medical school in the southeastern state of North Carolina studied 1.16 million birth in Norway between 1967 and 1988 and followed the subjects through 2002.