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  • 1990-1994  (1)
  • 1970-1974  (1)
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  • 1
    ISSN: 1525-1438
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We placed patients with invasive epithelial ovarian cancer into four distinct prognostic groups: ‘low’, ‘moderate’, ‘high’ and ‘extreme’ risk. The ‘moderate-risk’ group contained all residual negative, stage I and II patients with two exceptions: stage Ia or b, grade 1 cancers and grade 3 cancers. They were treated with primary surgery, usually including bilateral salpingo-oophorectomy, hysterectomy and omentectomy. Chemotherapy was then given (cisplatin at 100 mg m−2 every 2 weeks for three cycles) followed by pelvi-abdominal irradiation (2250 cGy in 10 fractions to the pelvis and 2250 cGy in 22 fractions to the whole abdomen including pelvis). An early cohort with ascites or positive washings instead received six cycles of cisplatin and cyclophosphamide at 75 mg m−2 and 600 mg m−2 every 4 weeks with the same pelvi-abdominal irradiation sandwiched between cycles 3 and 4. One-hundred and nine patients were treated between November 1983 and December 1989. Median follow-up was 4.7 years (range 0.7–9 years). The 5-year actuarial overall and failure-free survivals were 81% and 76%, respectively. Chronic toxicity, although usually minor, included 15% with peripheral neuropathy or ototoxicity and 23% with chronic abdominal complaints. Our combined-modality results are similar to those obtained by other centers utilizing either pelvi-abdominal irradiation alone or cisplatin-based chemotherapy alone.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 6 (1972), S. 1225-1237 
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The mass spectra of 2,6-dimethoxynaphthalene and 14 of its derivatives are reported. The fragmentation patterns proposed to account for the main peaks observed are frequently based on the presence of the appropriate metastable peaks. The fragmentation is initiated by the cleavage of an O—CH3 bond. The molecular ion is the most intense ion in each case and it does not appear to directly eliminate a methoxy group or a substituent directly attached to the naphthalene ring. With NO2 as a substituent the elimination of nitric oxide from the molecular ion has been observed and confirmed by peak matching.
    Notes: On rapporte les spectres de masse du diméthoxy-2,6 naphtaléne et de 14 de ses dérivés. La rationalisation du mode de decomposition par impact électronique qui est proposée, est confirmée la plupart du temps par des pics dûs aux transitions métastables appropriées. L'ion moléculaire, qui est le plus intense des ions dans chacun des spectres enregistrés ne semble pas subir d'élimination directe d'un group méthoxy ou de tout autre substituant directement relié au noyau naphtalénique. La dégradation semble plutot amorcée par l'élimination d'un radical méthyle à partir de l'ion moléculaire. Pour les dérivés nitrés, on a pu mettre en évidence la perte d'une molécule d'oxyde nitrique de l'ion moléculaire. Ce processus est confirmé par une mesure précise de masse du fragment résultant.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
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