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  • 1
    ISSN: 1573-5117
    Keywords: Hydrozoa ; Sertularia ; larval settlement ; growth
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Aspects of the life cycle of the hydroid Sertularia cupressina were monitored over a period of 2 y using settlement panels. The reproductive period, determined by the presence of acrocysts and larval settlement, was November to January. Recently settled hydroids were more abundant on horizontal upward facing surfaces than on horizontal downward facing or vertical surfaces. The spatial dispersal of settlers was random. S. cupressina was a conspicuous and persistent component of fouling communities developing on both upward facing and vertical panels over 2 y. Following settlement in winter 1979–80, hydrocauli reached their greatest height between November 1980 and April 1981, but fouling and breakage of stems occurred during spring 1981. Regeneration from the tips of broken stems and from hydrorhizae occurred in June and July 1981.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Langenbeck's archives of surgery 369 (1986), S. 748-748 
    ISSN: 1435-2451
    Keywords: Colorectal perforation ; Surgical management ; Colorectale Perforation ; Chirurgische Versorgung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Es wird über 53 Patienten mit einer colorectalen Perforation berichtet. In über 90 % der Fälle waren zu etwa gleichen Teilen entzündliche Veränderungen (v. a. im linken Colon) und Carcinome (v. a. im rechten Colon) Ursache der Perforation. Bei über 80 % der Fälle wurde primär ein sanierender Eingriff vorgenommen: 25 primäre Resektionen plus Anastomose (v. a. bei Läsion im rechten Colon), 19 Operationen nach Hartmann. Nur in Ausnahmefällen (lokale Inoperabilität, internistische oder anaesthesiologische Gegenanzeigen) führten wir eine Colostomie plus Drainage durch. Die Gesamtletalität betrug 17%.
    Notes: Summary In over 90% of 53 patients with colorectal perforations, the perforation was due to (with equal frequency) either inflammatory changes (especially those in the left colon) or carcinomas (especially those in the right colon. In 100 % of the cases, surgical intervention was required: 25 primary resections with anastomosis (especially for right colonic lesions), and 19 Hartmann's procedures were performed. Only in selected cases with local inoperability, anesthesiological or other contraindications colostomy with drainage was performed. The overall mortality was 17 %.
    Type of Medium: Electronic Resource
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