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[Minimal invasive therapy of localized Langerhans-cell histiocytosis of bone].

• Philipp A. Raab, Aloysius Wild, A Witta, Joachim Kuehl, Rainald Krauspe
• Zeitschrift fur Orthopadie und ihre Grenzgebiete
• 2000

PURPOSE Scaglietti introduced a method of steroid injection for the management of unicameral bone cysts in 1974. Subsequently the intralesional infiltration of corticosteriods has also been… (More)

[Passive smoking in the workplace: a survey in the Zurich University Hospital].

• A Witta, Florence Gutzwiller, Felix Largiadèr, T. Frick
• Schweizerische medizinische Wochenschrift
• 1997

The consequences of involuntary smoking are well documented. We conducted a survey among all employees of the University Hospital, Zurich, to assess their smoking habits and feelings about… (More)

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