Influence of age on tissue histamine and 5-hydroxytryptamine.
D006632:Histamine / Q000502:physiology*; D006801:Humans; D012701:Serotonin / Q000378:metabolism*; D012867:Skin / Q000378:metabolism*
D012701:Serotonin; D006632:Histamine
HISTAMINE/physiology; SEROTONIN/metabolism; SKIN/metabolism