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.
Howarth PH.Howarth PH.Br Med J (Clin Res Ed). 1983 Jun 4;286(6380):1825-6. doi: 10.1136/bmj.286.6380.1825-b.Br Med J (Clin Res Ed). 1983.PMID: 6222779Free PMC article.No abstract available.
Mann JS, Howarth PH, Holgate ST.Mann JS, et al. Among authors: howarth ph.Br Med J (Clin Res Ed). 1984 Aug 25;289(6443):469. doi: 10.1136/bmj.289.6443.469.Br Med J (Clin Res Ed). 1984.PMID: 6235889Free PMC article.Clinical Trial.No abstract available.
Rafferty P, Beasley R, Howarth PH, Mann JS, Holgate ST.Rafferty P, et al. Among authors: howarth ph.Br Med J (Clin Res Ed). 1986 Dec 13;293(6561):1538-9. doi: 10.1136/bmj.293.6561.1538.Br Med J (Clin Res Ed). 1986.PMID: 2948611Free PMC article.No abstract available.