Összefoglaló. Egy 47 éves nőbeteg tranziens ST-eleváció miatt került felvételre és coronarographiára. A ST-elevációnak véleményezett elektrokardiogram poroszsisak-jelnek felelt meg, amelyet egy EKG-műtermék okozott. Habár a számtalan, nem coronariaeredetű oka ismert, műtermék okozta poroszsisak-jelet még ismertettek. Fontos felismerése felesleges diagnosztikai terápiás beavatkozások elkerülése ...

OBJECTIVE To describe the immunohistochemical characteristics of knee synovium from normal healthy subjects. METHODS 12 healthy subjects underwent needle biopsy of knee synovium. Using antibodies directed against CD3, CD4, CD8, L26, Kp-1,and HLA-DR, detailed quantitative immunohistochemical analysis of various cell subpopulations was undertaken. RESULTS The mean (SD) age of the subjects was...

Knowledge Graphs have emerged as a compelling abstraction for capturing key relationship among the entities of interest to enterprises and integrating data from heterogeneous sources. JPMorgan Chase (JPMC) is leading this trend by leveraging knowledge graphs across organization multiple mission critical applications such risk assessment, fraud detection, investment advice, etc. A core problem i...

This paper focuses on the pre-establishment period of start-ups in industrial districts. The industrial architecture is what I call a "rationed agglomeration" in which some entrepreneurs gather around an established …rm while other entrepreneurs in the same business stand alone. In a rationed agglomeration, I analyze the e¤ects of relations between established …rms, network entrepreneurs, and l...

Using restricted firm level data from the Kauffman Firm Survey, I document that (a) the distribution of average returns to capital amongst nascent entrepreneurial firms is left skewed, and (b) has higher persistence in the left tail than the right. I find that a model where the entrepreneur’s capital investment is illiquid can largely rationalize this data. On average, a continuing entrepreneur...

A Helping Hand or the Long Arm of the Law? Experimental Evidence on What Governments Can Do to Formalize Firms Many governments have spent much of the past decade trying to extend a helping hand to informal businesses by making it easier and cheaper for them to formalize. Much less effort has been devoted to raising the costs of remaining informal, through increasing enforcement of existing reg...