Importance Nonrandomized studies using insurance claims databases can be analyzed to
produce real-world evidence on the effectiveness of medical products. Given the lack of …

Improved versions of Lunar Prospector thermal and epithermal neutron data were studied to
help discriminate between potential delivery and retention mechanisms for hydrogen on the …

We calculate new estimates of ground-ice stability and the depth distribution of the ice table (the
depth boundary between ice-free soil above and ice-cemented soil below) and compare …

Recent reports of ∼30 wt% of sulphate within saline sediments on Mars 1 , 2 —probably
occurring in hydrated form 3 —suggest a role for sulphates in accounting for equatorial H 2 O …

A Gamma-Ray and Neutron Spectrometer (GRNS) instrument has been developed as part of
the science pay load for NASA’s Discovery Program mission to the planet Mercury. Mercury …

… Paul Dick and William Feldman formulated the research question, interpreted the results,
and wrote the paper. Mohammed Agha was reponsible for SAS programming, data linkage, …

… level will be maintained which will not ordinarily be lower than 5.0 to 10.0 S units per cubic
centimeter at any time, if the patient is an adult of average weight." Toxi-city for man is low, but …

Objective. —To assess the evidence for a cause-and-effect relationship betweenHelicobacter
pyloriinfection and antral gastritis, peptic ulcer disease, and recurrent abdominal pain in …

Using Dawn’s Gamma Ray and Neutron Detector, we tested models of Vesta’s evolution
based on studies of howardite, eucrite, and diogenite (HED) meteorites. Global Fe/O and Fe/Si …

Measurements by the Neutron Spectrometer on the MErcury Surface, Space ENvironment,
GEochemistry, and Ranging (MESSENGER) spacecraft show decreases in the flux of …