15 April News

News - 11 april 1998

1111 BMJ VOLUME 316 11 APRIL 1998 www.bmj.com The largest study yet to be carried out on serum screening for Down’s syndrome has shown that it can be performed accurately during the first trimester of pregnancy, confirming previous findings and backing the opinion of many leading specialists that tests should be carried out earlier. The study, carried out in the United States, screened 4412 pre...

NIEHS News April 2003

Background: Although the incidence of toxoplasmosis is low in the United States, up to 6000 congenital cases occur annually. In September 1998, the Centers for Disease Control and Prevention held a conference about toxoplasmosis; participants recommended a survey of the toxoplasmosis-related knowledge and practices of obstetrician-gynecologists and the development of professional educational ma...

NCBI News, April 2009

NCBI’s PubChem now features calculated three-dimensional conformers (3-D conformers) for a large proportion of the PubChem compound database (17 million records, 88%). In addition, conformers are clustered to provide a list of similar 3-D conformers. These similar conformers provide a more relevant and expanded set of compounds with potentially similar biological and pharmacological activity. P...

Optics & Photonics News - April 2011

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