• Clustering of childhood asthma hospital admissions in New Zealand, 1999-2004 

    Hales, Simon; Sabel, Clive E; Exeter, Daniel J; Crane, Julian; Woodward, Alistair
    The context for this study is public concern about aerial spraying of biological insecticides over Auckland, New Zealand between January 2002 and May 2004. We analysed childhood asthma hospital admissions for the whole of ...
  • Non melanoma skin cancer and ultraviolet radiation 

    Hales, Simon
    INTRODUCTION Two main factors have intensified interest in skin cancer. Firstly, there have been significant long term increases in the incidence of melanoma, and positive trends in the incidence of non melanoma skin ...