1. Report by Collective Investigation Committee of the Norwegian Medical Association on the etiology of rickets, acute rheumatism, chorea, cancer, urinary calculus Author(s): Norske lægeforening. Komite for fællesforskning, author. Publication: Christiania : Printed by Th. Steen, 1887 Subject(s): Disease -- etiologyRickets -- etiologyRheumatic Diseases -- etiologyChorea -- etiologyNeoplasms -- etiologyUrinary Calculi -- etiologyNorway