Measuring serum melatonin in epidemiologic studies.
Hsing
Ann W
AW
Division of Cancer Epidemiology and Genetics, National Cancer Institute, 6120 Executive Boulevard, EPS 5024, MSC 7234, Bethesda, MD 20852-7234, USA. hsinga@mail.nih.gov
Meyer
Tamra E
TE
Niwa
Shelley
S
Quraishi
Sabah M
SM
Chu
Lisa W
LW