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.
Callender JE, Grantham-McGregor S, Walker S, Cooper ES.Callender JE, et al.Lancet. 1992 Jan 18;339(8786):181. doi: 10.1016/0140-6736(92)90246-y.Lancet. 1992.PMID: 1370339No abstract available.
Walker SP, Robinson RD, Powell CA, Grantham-McGregor SM.Walker SP, et al.Trans R Soc Trop Med Hyg. 1992 May-Jun;86(3):331-2. doi: 10.1016/0035-9203(92)90337-c.Trans R Soc Trop Med Hyg. 1992.PMID: 1412670No abstract available.
Fletcher PD, Simeon DT, Grantham-McGregor SM.Fletcher PD, et al.Trans R Soc Trop Med Hyg. 1992 Sep-Oct;86(5):566-9. doi: 10.1016/0035-9203(92)90116-t.Trans R Soc Trop Med Hyg. 1992.PMID: 1475837
Walker SP, Grantham-McGregor SM.Walker SP, et al.West Indian Med J. 1990 Mar;39(1):12-9.West Indian Med J. 1990.PMID: 1692174Review.No abstract available.