Authors: K Hørslev-Petersen; K D Bentsen; A Engström-Laurent; P Junker; P Halberg; I Lorenzen Journal: Ann Rheum Dis Date: 1988-02 Impact factor: 19.103
Authors: M W Bentzon; I Gad; P Halberg; O Halskov; B K Jacobsen; I Lorenzen; N Morling; A Svejgaard Journal: Clin Rheumatol Date: 1986-01 Impact factor: 2.980