Nature – Vol. 397, Issue 6716-6717, 1999;
Nature – Vol. 397, Issue 6718-6721, 1999;
Nature – Vol. 398, Issue 6722-6725, 1999;
Nature – Vol. 398, Issue 6726-6730, 1999;
Nature – Vol. 399, Issue 6731-6734, 1999;
Nature – Vol. 399, Issue 6735-6738, 1999;
Nature – Vol. 400, Issue 6739-6743, 1999;
Nature – Vol. 400, Issue 6744-6747, 1999;
Nature – Vol. 401, Issue 6748-6752, 1999;
Nature – Vol. 401, Issue 6753-6756, 1999;
Nature – Vol. 402, Issue 6757-6760, 1999;
Nature – Vol. 402, Issue 6761-6764, 1999;
Nature – Vol. 403, Issue 6765-6768, 2000;
Nature – Vol. 403, Issue 6769-6772, 2000;
Nature – Vol. 404, Issue 6773-6777, 2000;
Nature – Vol. 404, Issue 6778-6781, 2000;
Nature – Vol. 405, Issue 6782-6785, 2000;
Nature – Vol. 405, Issue 6786-6790, 2000;
Nature – Vol. 406, Issue 6792-6794, 2000;
Nature – Vol. 406, Issue 6795-6799, 2000;
Nature – Vol. 407, Issue 6800-6803, 2000;
Nature – Vol. 408, Issue 6808-6812, 2000;
Nature – Vol. 409, Issue 6816-6819, 2001;
Nature – Vol. 409, Issue 6820-6823, 2001;
Nature – Vol. 410, Issue 6824-6828, 2001;
Nature – Vol. 410, Issue 6829-6832, 2001;
Nature – Vol. 411, Issue 6833-6835, 2001;
Nature – Vol. 411, Issue 6836-6837, 2001;
Nature – Vol. 411, Issue 6838-6841, 2001;
Nature – Vol. 412, Issue 6842-6845, 2001;
Nature – Vol. 412, Issue 6846-6850, 2001;
Nature – Vol. 413, Issue 6851-6854, 2001;
Nature – Vol. 413, Issue 6855-6858, 2001;
Nature – Vol. 414, Issue 6863, 2001;
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Nature – Vol. 415, Issue 6867-6871, 2002;
Nature – Vol. 415, Issue 6872-6875, 2002;
Nature – Vol. 416, Issue 6876-6879, 2002;
Nature – Vol. 416, Issue 6880-6883, 2002;
Nature – Vol. 417, Issue 6884-6888, 2002;
Nature – Vol. 417, Issue 6889-6892, 2002;
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Nature – Vol. 419, Issue 6902-6905, 2002;
Nature – Vol. 419, Issue 6906-6910, 2002;
Nature – Vol. 420, Issue 6911-6914, 2002;
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Nature – Vol. 421, Issue 6918-6922, 2003;
Nature – Vol. 421, Issue 6923-6926, 2003;
Nature – Vol. 422, Issue 6927-6930, 2003;
Nature – Vol. 422, Issue 6931-6934, 2003;
Nature – Vol. 423, Issue 6935-6939, 2003;
Nature – Vol. 423, Issue 6940-6943, 2003;
Nature – Vol. 424, Issue 6944-6948, 2003;
Nature – Vol. 424, Issue 6949-6952, 2003;
Nature – Vol. 425, Issue 6953-6956, 2003;
Nature – Vol. 425, Issue 6957-6961, 2003;
Nature – Vol. 426, Issues 6962-6965, 2003;
Nature – Vol. 426, Issues 6966-6968, 2003;
Nature – Vol. 427. Issues 6969-6973, 2004;
Nature – Vol. 427, Issues 6974-6976, 2004;
Nature – Vol. 428, Issues 6978-6981, 2004;
Nature – Vol. 428, Issues 6982-6986, 2004;
Nature – Vol. 429, Issues 6987-6989, 2004;
Nature – Vol. 429, Issues 6991-6994, 2004;
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Nature – Vol. 430, Issues 7000-7003, 2004;
Nature – Vol. 431, Issues 7004-7008, 2004;
Nature – Vol. 431, Issues 7009-7012, 2004;
Nature – Vol.432, Issues 7013-7016, 2004;
Nature – Vol. 432, Issues. 7017-7020, 2004;
Nature – Vol. 433, Issues 7021-7024, 2005;
Nature – Vol. 433, Issues. 7025-7028, 2004;
Nature – Vol.434, Issues. 7030-7033, 2005;
Nature – Vol. 434, Issues. 7034-7037, 2005;
Nature – Vol. 435, Issues 7038-7041, 2005;
Nature – Vol. 435, Issues 7042-7046, 2005;
Nature – Vol.436, Issues 7047-7050, 2005;
Nature – Vol.436, Issues 7051-7054, 2005;
Nature – Vol. 437, Issues 7055-7059, 2005;
Nature – Vol. 437, Issues 7060-7063, 2005;
Nature – Vol.438, Issues 7064-7067, 2005;
Nature – Vol.438, Issues 7068-7071, 2005;
Nature – Vol. 439, Issues 7072-7074, 2006;
Nature – Vol.439, Issues 7076-7079, 2006;
Nature – Vol.440, Issues 7080-7084, 2006;
Nature – Vol. 440, Issues 70-85-7088, 2006;
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Nature – Vol. 446, Issue 7136, 2007;