prospective study

Brand Name:Gold

Model Number:WCZ-3

Place of Origin:Chongqing, China

...Prospecting Proton Precision Magnetometer With High Resolution Rocks and ores in nature have different magnetic properties and can produce different magnetic fields, which cause changes in the earth's magnetic field in local areas, resulting in geomagnetic anomalies. These magnetic anomalies are discovered and studied by magnetometers, and then magnetic ore bodies can be found and geological structures can be studied...

Brand Name:DENTIFRESH

Model Number:DF001

Place of Origin:CHINA

... to have high efficacy, however, there are very few published clinical studies demonstrating its effectiveness. A review of literature identified three prospective studies investigating the effect of HAP toothpaste as an anti-caries agent on caries incidence...

Brand Name:Gather

Model Number:6101

Place of Origin:China

...Proximal humeral fractures (PHFs) are the third most common fracture in older patients. The purpose of the study was to prospectively evaluate the outcomes of PHF fixation with a locking blade nail (LBN) or locking plate (PHILOS) osteosynthesis in a homogeneous ...

Brand Name:Green Spring

Model Number:CO1925T-03

Place of Origin:China

...SARS-CoV-2 antigen rapid test was determined in prospective,randomized, single-blind studies. A total of 310 nasopharyngeal specimens from symptomatic and asymptomatic patients were collected within 5 days of the onset of initial symptoms. The performance...