India's polio exports undermine global eradication push.
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Child↗
Biomedical subjects
T V Padma
Publications and source records attributed to T V Padma.
Unchecked by guidelines, Indian stem cell scientists rush ahead.
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Cell Transplantation↗
Side benefits sway developing nations to choose unneeded vaccines.
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Developing Countries↗
With scores still infected, India declares leprosy 'eliminated'.
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Communicable Disease Control↗
Among the best.
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Academies and Institutes↗
Long-delayed report on Bhopal disaster offers little new information.
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Disasters↗
Tsunami aid spending draws fire over public health.
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Acquired Immunodeficiency Syndrome↗
Experts inject reality into cervical cancer prevention schemes.
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Developing Countries↗
Skepticism greets India's new AIDS statistics.
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Acquired Immunodeficiency Syndrome↗
Encephalitis outbreak finds Indian officials unprepared.
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Child↗
Despite snags and skepticism, Thai vaccine trial lumbers on.
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AIDS Vaccines↗
Toxicity of creosote water-soluble fractions generated from contaminated sediments to the bay mysid.
Creosote, a globally used wood preservative, is a complex mixture consisting primarily of aromatic organic compounds (ACs). Creosote-derived ACs can persist for decades in aquatic sediments. Natural and anthropogenic activities may result in dissolution and resuspension of sediment-associated ACs. These processes were mimicked by generating a water-soluble fraction (WSF) from creosote-contaminated sediment (ERS) collected from a polluted site. The epibenthic mysid Mysidopsis bahia was exposed to five sublethal concentrations of WSF for 7 days. The WSF significantly decreased dry weight gain and proportion of gravid females (EC50=15 microgram/liter total identified ACs). Chemical analysis indicated that high-molecular-weight ACs (more than three aromatic rings) dominated the ERS, but were undetected in the WSF. Low-molecular-weight ACs (fewer than three aromatic rings) dominated the WSF. Compositional differences can thus result from fractionation processes and affect environmental fate and toxicity of the mixture.
Animals↗