Risk Factors Associated With Invasive Fungal Infections in Kidney Transplant Patients.

Background: Kidney transplant recipients are at increased risk for developing invasive fungal infections (IFI). We queried the United States Renal Data System (USRDS) for risk factors for IFI in these patients.

Methods: Patients who underwent a kidney transplant between 2005 and 2008 were queried for an IFI diagnosis using ICD-9 codes.

Heterogeneous arsenic enrichment in meta-sedimentary rocks in central Maine, United States.

Arsenic is enriched up to 28 times the average crustal abundance of 4.8 mg kg(-1) for meta-sedimentary rocks of two adjacent formations in central Maine, USA where groundwater in the bedrock aquifer frequently contains elevated As levels. The Waterville Formation contains higher arsenic concentrations (mean As 32.