Combined versus sequential selection in forest population improvement

Surgery versus endoscopic therapies for early cancer and high-grade dysplasia in...

Pseudo Jahn-Teller versus chemical reconstruction: oxygen in silicon

Comparison of costs of hospital purchasing a centralized purchasing system versus...

Endoscopic ultrasound versus magnetic resonance cholangiopancreatography in suspected...

Intensive glucose control versus conventional: tendency of better clinical outcome...

Retrosigmoid versus posterior petrosal approach: anatomosurgical comparative analysis...

Oxidized low-density lipoprotein (oxLDL) versus electronegative low density lipoprotein...

Effectiveness of electroacupuncture versus manual acupuncture in patients with chronic...

The efficacy of the different endoscopic treatments versus sham, pharmacologic or...