PubMed · 2013 · 45 citations · 12 references
A progressive increase in serum leptin concentration was observed with an increase in BMI. Significant difference between leptin concentrations in either gender was found in normal, overweight and obese subjects.
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Leptin enters the brain by a saturable system independent of insulin
William A. Banks, Abba J. Kastin, Wei Tao Huang et al. · Peptides · 1996 · 1.2K citations