Authors: G Barera; C Bianchi; L Calisti; F Cerutti; F Dammacco; E Frezza; M T Illeni; L Mistura; M Pocecco; F Prisco Journal: Arch Dis Child Date: 1991-04 Impact factor: 3.791
Authors: F Szafer; C Brautbar; E Tzfoni; G Frankel; L Sherman; I Cohen; S Hacham-Zadeh; W Aberer; G Tappeiner; K Holubar Journal: Proc Natl Acad Sci U S A Date: 1987-09 Impact factor: 11.205