Background: Several fusion adjuncts exist to enhance fusion rates during minimally invasive
transforaminal lumbar interbody fusion (MI-TLIF). The objective of this study was to compare …

Study Design Retrospective database analysis. Objective The purpose of this study is to
investigate incidence, comorbidities, and impact on health care resources of Clostridium difficile …

The performance of jet fuel with an oxidant mixture containing 70 percent liquid fluorine and
30 percent liquid oxygen by weight was investigated in a 500-pound-thrust engine operating …

Methods: All patients failed nonoperative treatment but had temporary improvement with an
intra-articular injection. Arthroscopic treatment involved resecting the meniscus and the …

Experiments were conducted with gaseous hydrogen and liquid oxygen in uncooled rocket
chambers of ZO, OOO-pound thrust at a chamber pressure of 300 pounds per square inch …

Experimental performance of a rocket engine using 15 percent fluorine-85 percent oxygen
and JP-4 was compared with that obtained using oxygen and JP-4. The regeneratively cooled …

Symposium of the Whole traces a discourse on poetry and culture that has profoundly influenced
the art of our time, with precedents going back two centuries and more. Beginning with …

In econ om ics we frequently bring our analysis to a point w here we can say: rrS u ch-and-su
ch is the way this part of the econ om ic system op era tes. Now, given the above, if …

… “I will always like best those poets like Ginsberg and Rothenberg who write about serious,
passionate, often doleful concerns, . . . poetry which has historical and archetypal themes, …

Specific impulse, characteristic velocity, thrust coefficient, and heat rejection of liquid fluorine
and a fuel consisting of a hydrazineammonia mixture were determined for a range of fuel …