To evaluate the role of methotrexate (MTX) injected into the silicone oil at the end of pars plana vitrectomy for advanced proliferative diabetic retinopathy (PDR). In this prospective comparative ...
LPG flooding traditionally has been used for tertiary recovery to mobilize stranded oil after waterflooding. In 1996, Chevron Corp. and Halliburton Co. began studying LPG as a stimulation fluid. The ...