Substantial inequalities exist in cancer survival rates across countries. In addition to
prevention of new cancers by reduction of risk factors, strategies are needed to close the gap …

The scale of the human immunodeficiency virus (HIV)/AIDS epidemic has exceeded all
expectations since its identification 20 years ago. Globally, an estimated 36 million people are …

Objectives To update the WHO global and regional estimates of the prevalence and incidence
of syphilis, gonorrhoea, chlamydia, and trichomoniasis. Methods Prevalence estimates for …

The UN High-Level Meeting on Non-Communicable Diseases (NCDs) in September, 2011,
is an unprecedented opportunity to create a sustained global movement against premature …

… %) of 18 who used oral contraceptives throughout the study period (P <.05, x2 test for trend).
… Mann JM, Nzilambi N, Piot P. HIV infection and associated risk factors in female prostitutes …

… MUsEy K, VAN Dvok E, VER voor T, TAyı oR D, Hoo C, PIOT P: Use of an enzyme
immunoassay to detect serum IgG antibodies to Haemopbilus ducreyi J Infect Dis 1988, 1571039.-…

38 patients with the acquired immunodeficiency syndrome (AIDS) were identified in Kinshasa,
Zaire, during a 3 week period in 1983. The male to female ratio was 1·1:1. The annual …

… Specimens were taken to be positive when immunoblotting showed antibody to two core
proteins (p24 and p55), or at least one of the core proteins p 17, p24, and p55 plus one …

We present the first observation of self-amplified spontaneous emission (SASE) in a free-electron
laser (FEL) in the vacuum ultraviolet regime at 109 nm wavelength (11 eV). The …

Many scientific disciplines ranging from physics, chemistry and biology to material sciences,
geophysics and medical diagnostics need a powerful X-ray source with pulse lengths in the …