John Y Kwan

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Current literature supports the use of powered instrumentation over traditional hand instrumentation. The objective of scaling and root planing is the complete removal of plaque and calculus from root surfaces. While this is unrealistic, the accepted end-point is a smooth, glassy root surface during periodontal instrumentation. This often has resulted in(More)
  • John Kwan, Suzan Edwards, William Fischer
  • 2006
The high opacity of He I λ10830 makes it an exceptionally sensitive probe of the inner wind geometry of accreting T Tauri stars. In this line blueshifted absorption below the continuum results from simple scattering of stellar photons, a situation which is readily modeled without definite knowledge of the physical conditions and recourse to multi-level(More)
Allogeneic Blood and Marrow Transplant (BMT) survivors are at high risk of secondary cancers. Although current guidelines endorse survivors following Country-specific general population screening recommendations to mitigate this risk, little is known about cancer screening adherence in Australian BMT survivors. We conducted a cross-sectional survey of 441(More)
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