Helena Chambers

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OBJECTIVES To determine associations between symptoms of dry eyes and dry mouth and objective evidence of lacrimal and salivary gland dysfunction in a population based sample. To determine associations between these elements and the presence of autoantibodies. METHODS A cross sectional population based survey. Subjects were interviewed and examined(More)
Performance on the covert visuo-spatial attentional functions of orienting and focusing by a group of ADHD children (n = 20) was compared to that of age and sex-matched control children. In Experiment 1, responses were given to cued targets at valid and invalid locations. In Experiment 2, responses were given to targets presented in small, medium-sized or(More)
BACKGROUND Fragile X is the most common cause of mental retardation after Down syndrome. It is the commonest inherited cause of mental retardation, and results from a dynamic mutation in a gene on the long arm of the X chromosome. Various strategies are used for prenatal screening. OBJECTIVES To determine whether pre-conceptual or antenatal screening for(More)
Forty-seven infants and children with tracheotomies were cared for at home for a follow-up period of 1,581 months. There were two relevant fatalities which gave a death rate of 0.13 deaths per 100 months. The average age at the time of tracheotomy was 13 months and the tracheotomy was in place for an average of 33 months per patient. The ability to care for(More)
Neonatal sleep myoclonus is a benign syndrome characterized by myoclonic jerks occurring only during sleep and presenting in the first month of life. There are no associations with abnormal development, neurologic deficits, or seizures. The electroencephalogram is normal and has no correlation with the myoclonic jerks. The myoclonus is present in all sleep(More)
In a recent survey of 655 women in New Zealand on family planning practices, it was found that 61% were using a contraceptive. The method most used was sterilization (28%); 44% of those using contraceptives had side effects; and 14% experienced contraceptive failure resulting in pregnancy. Dissatisfaction was highest with the pill (24%) and the IUD (23%),(More)
BACKGROUND Population-based studies of the occupational contribution to chronic obstructive pulmonary disease generally rely on self-reported exposures to vapours, gases, dusts and fumes (VGDF), which are susceptible to misclassification. AIMS To develop an airborne chemical job exposure matrix (ACE JEM) for use with the UK Standard Occupational(More)