Chak Wah Lam

Learn More
OBJECTIVES To compare tuberculosis (TB) in older and younger patients. DESIGN A retrospective and comparative observational study. SETTING Four chest clinics and two chest hospitals in Hong Kong. PARTICIPANTS All notifications from the participating hospitals and clinics in 1996 were extracted from the TB notification registry. The characteristics of(More)
Coccidioidomycosis is endemic in the south-western USA. Two cases of infection in travellers returning to Hong Kong are described. A previously healthy patient who had travelled to an endemic area for a short time was successfully treated with fluconazole. A second patient with comorbidities and more prolonged exposure had disseminated and eventually fatal(More)
Thirty extracted human premolars received standardised full crown preparations. The teeth were randomly assigned into three groups: smeared (control), etched (phosphoric acid gel), and bonded (Scotchbond MP). Each tooth was perfused with saline to establish perfusion rates at baseline for all groups, and the post-etching stage for etched and bonded groups,(More)
LITERATURE REVIEW A direct result of the liquid continuum within the pulpo-dentine complex is the effect of restorative dentistry on the health of the dental pulp. Better understanding of the role of the complex in relation to restorative dentistry enables strategies to be devised in preserving pulp vitality. A review of the literature produced good(More)
  • 1