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This study aimed to examine the rate of re-operation in women with endometriosis over a 10-year period. This was a retrospective study set in a university hospital in the UK. Notes of all women diagnosed with endometriosis were reviewed and data entered on a standard proforma. A total of 486 out of 988 procedures were for treatment of endometriosis. Some(More)
  • P Tay
  • 1996
Noise Induced Deafness (NID) is the leading occupational disease in Singapore. Every year, over 500 new cases of NID are detected by the Department of Industrial Health (DIH). Severe NID is a disabling disease which is compensable under the law. A retrospective study was conducted to elicit the profile of workers with severe, disabling NID. From 1 January(More)
INTRODUCTION Myopia is a significant public health problem in Singapore with estimates that more than 50% of the population is affected by it by the time of adulthood. Childhood obesity is also increasing and has been linked to long-term health problems. Recent studies have found that Singaporean children in Primary 1 spend less than 3 hours a day outdoors(More)
N ASA's Deep Space Network (DSN) provides communications and other services for planetary exploration missions as well as other missions beyond geostationary orbit, supporting both NASA and international users. It also constitutes a scientific facility in its own right, conducting radar investigations of the moon and planets, in addition to radio science(More)
Kathon CG and Kathon WT are biocides containing 5-Chloro-2-Methyl-4-Isothiazoline-3-One (MCI) and 2-Methyl-4-Isothiazoline-3-One (MI) in a 3:1 ratio. These compounds are used as preservatives in skin care products and there have been many reports of allergic contact dermatitis due to Kathon used in this context. They are also widely used in industry as(More)
Methylene chloride is a major component of paint and varnish strippers. Due to its high volatility, its use in unventilated or poorly ventilated confined spaces poses a serious health hazard as a result of accumulation of the solvent vapour. At high levels, methylene chloride can cause severe central nervous system depression and ultimately death, as(More)
With internet connectivity, a new horizon of scientific co-operation and collaboration at global level has been opened. Anyone can have easy access to information on not only public health and hygiene matters, but also on more esoteric aspects of dental practice. This article points out the use of the internet in dentistry.
In Singapore, all workers exposed to organophosphate compounds are required to undergo Statutory Medical Examinations. In this paper, the relationship between workload and worker exposure to these compounds is illustrated. In addition, the importance of performing detailed clinical examinations and baseline red blood cell acetylcholinesterase estimations(More)
Fifty workers involved in various degreasing and cleaning processes using 1,1,1-trichloroethane (1,1,1-TCE) were studied with respect to personal and static exposures. In addition, end-of-shift expired air and venous blood samples were taken for analysis of the parent compound. Urinary samples were also obtained at the same time for analysis of its(More)