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Estimated Costs of False Laboratory Diagnoses of Tuberculosis in Three Patients
(Centers for Disease Control and Prevention, 2002)
We estimated direct medical and nonmedical costs associated with a false diagnosis of tuberculosis (TB) caused by laboratory cross-contamination of Mycobacterium tuberculosis cultures in Massachusetts in 1998 and 1999. For ...
Environmental Organochlorines and Semen Quality: Results of a Pilot Study
(National Institute of Environmental Health Sciences, 2002)
There have been numerous studies that suggest that sperm concentrations (sperm counts) are declining in men. However, other studies suggest that sperm counts are not declining or may be increasing in some areas. Although ...
Waist–Hip Ratio and Breast Cancer Risk in Urbanized Nigerian Women
(BioMed Central, 2002)
Background: The aim of this study was to examine the relationship between waist–hip ratio and the risk of breast cancer in an urban Nigerian population. Methods: Between March 1998 and August 2000, we conducted a case–control ...
Advances in Oral Health Knowledge of Greek Navy Recruits and their Socioeconomic Determinants
(BioMed Central, 2002)
Background: The aim of the present study was to evaluate temporal changes on oral health knowledge and attitudes among two populations of young Greek males (age 19–29 years) undergoing their military training. A secondary ...
Different Slopes for Different Folks: Socioeconomic and Racial/Ethnic Disparities in Asthma and Hay Fever among 173,859 U.S. Men and Women.
(The National Institute of Environmental Health Sciences (NIEHS), 2002)
Although allergic diseases such as asthma and hay fever are a major cause of morbidity in industrialized countries, most studies have focused on patterns of prevalence among children and adolescents, with relatively few ...
Intrauterine Environment, Mammary Gland Mass and Breast Cancer Risk
(BioMed Central, 2002)
Two intimately linked hypotheses on breast cancer etiology are described. The main postulate of the first hypothesis is that higher levels of pregnancy estrogens and other hormones favor the generation of a higher number ...
A Child with Chronic Manganese Exposure from Drinking Water
(U.S. Department of Health and Human Services & National Institute of Environmental Health Sciences, 2002)
The patient's family bought a home in a suburb, but the proximity of the house to wetlands and its distance from the town water main prohibited connecting the house to town water. The family had a well drilled and they ...
Impact of Genotyping of Mycobacterium Tuberculosis on Public Health Practice in Massachusetts
(Centers for Disease Control and Prevention, 2002)
Massachusetts was one of seven sentinel surveillance sites in the National Tuberculosis Genotyping and Surveillance Network. From 1996 through 2000, isolates from new patients with tuberculosis (TB) underwent genotyping. ...
The Concentration-Response Relation Between PM\(_{2.5}\) and Daily Deaths.
(National Institute of Environmental Health Sciences, 2002)
Particulate air pollution at commonly occurring concentrations is associated with daily deaths. Recent attention has focused on the shape of the concentration-response curve, particularly at low doses. Several recent ...
Air conditioning and source-specific particles as modifiers of the effect of PM(10) on hospital admissions for heart and lung disease.
(National Institute of Environmental Health Sciences, 2002)
Studies on acute effects of particulate matter (PM) air pollution show significant variability in exposure-effect relations among cities. Recent studies have shown an influence of ventilation on personal/indoor-outdoor ...