Protocol Number: 84-CH-0169
Establishing a range of normal hormone levels in children will make diagnosing illnesses with abnormal levels of hormones much easier. Hormone levels in the body can change throughout the day. By collecting samples at different times researchers hope to learn more about the normal daytime and nighttime patterns of hormone secretion. Because some hormone levels change with body size, researchers will also take measurements of patient's body composition. This study will involve children and observe them as inpatients or as outpatients.
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National Institutes of Health Clinical Center
Bethesda, Maryland 20892. Last update: 09/20/2008
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