Authors: M Clozel; V Breu; K Burri; J M Cassal; W Fischli; G A Gray; G Hirth; B M Löffler; M Müller; W Neidhart Journal: Nature Date: 1993-10-21 Impact factor: 49.962
Authors: Y Kurihara; H Kurihara; H Suzuki; T Kodama; K Maemura; R Nagai; H Oda; T Kuwaki; W H Cao; N Kamada Journal: Nature Date: 1994-04-21 Impact factor: 49.962