Abstract Based on Ivan Marcus’s concept of “open book” and considerations medieval Ashkenazic concepts authorship, the present article inquires into circumstances surrounding production Sefer Arugat ha-Bosem , a collection piyyut commentaries written or compiled by thirteenth-century scholar Abraham b. Azriel. Unlike all other commentators, ben Azriel inscribed his name commentary claims to sup...

> Context • Niklas Luhmann is considered to be a major proponent of the constructivist movement who based his highly complex sociological theory on constructivist concepts such as Maturana’s autopoiesis and Spencer Brown’s distinction. > Problem • Despite heavily borrowing from constructivism, there are doubts as to whether his epistemological standpoint was properly constructivist. > Method • ...

This article discusses recent reports on distal radius fractures. The keyword "distal radius fracture" was used to query the PubMed database of the US National Library of Medicine. From the resulting list, articles published in the Journal of Hand Surgery (American Volume), the Journal of Hand Surgery (European Volume), and the Journal of Orthopaedic Trauma from April 2014 through December 2015...