Ringversuch zur Qualitätskontrolle 1968

Entwicklung einer Formerfassungsmethode zur Qualitätskontrolle der Navigation medizinischer Endoskope im OP-Sinus

In der Chirurgie werden zunehmend Navigationssysteme eingesetzt, die wichtige Informationen zur Orientierungshilfe im OP-Situs liefern. Die Navigation wird laufend optimiert, um bestmögliche Ergebnisse zu erzielen. In dieser Arbeit wird ein neues Konzept der Formerfassung von Endoskop-ähnlichen Instrumenten entwickelt, was eine Qualitätsbewertung von Formsensoren ermöglicht. Die betrachteten Fo...

Trr 1968

variable following an identical probability distribution as the arrival process. A new estimation method of the average travel time uses a crosscorrelation analysis of traffic flow measurement data. This method requires only traffic flow information, which is available from the measurements of single loop detectors upstream and downstream from one link. Different from the existing maximum cross...

Maccabaean Prize Essay, 1968

Fluoride Archives 1968-1998

S AND COMMENTS RISK FACTORS FOR FRACTURES IN THE ELDERLY H Jacqrningadda, A Founier, D Commenges and J F Dartigues, France .............. 221 USE OF TOENAIL FLUORIDE LEVELS AS AN INDICATOR FOR THE RISK OF HIP AND FOREARM FRACTURES IN WOMEN NEW, OR BIASED, EVIDENCE ON WATER FLUORIDATION D Feskanich, W Owusu, D J Hunter et a/, USA ................................................ 221 ................

Taxonomic Status of the Neotropical Caecilian Genera Brasilotyphlus Taylor, 1968, Microcaecilia Taylor, 1968 and Parvicaecilia Taylor, 1968 (amphibia: Gymnophiona: Siphonopidae)

We review the taxonomic history and assess the status of three genera of siphonopid caecilians from South America. Evidence from dentition and squamation suggest that Microcaecilia is paraphyletic with respect to Parvicaecilia. To avoid this paraphyly we propose to relegate the latter to the synonymy of the former. We find no evidence warranting any change in the taxonomic status of Brasilotyph...