An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Agha AK, Joy KP.Agha AK, et al. Among authors: joy kp.J Pineal Res. 1989;6(4):335-40. doi: 10.1111/j.1600-079x.1989.tb00429.x.J Pineal Res. 1989.PMID: 2732893
Senthilkumaran B, Joy KP.Senthilkumaran B, et al. Among authors: joy kp.J Endocrinol. 1994 Aug;142(2):193-203. doi: 10.1677/joe.0.1420193.J Endocrinol. 1994.PMID: 7930992