Gerald L Stevens

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A CS-137 blood product irradiator (BPI) is used for extracorporeal irradiation of bone grafts. For dose verification purposes two bone phantoms were constructed of plaster of Paris and irradiated in the BPI. The first was a hollow cylinder measuring 15 cm /sX 3.3 cm to simulate cortical bone, filled with paraffin wax to simulate yellow bone marrow. The(More)
A new, fast, single-pulse x-ray diffraction (XRD) diagnostic for determining phase transitions in shocked polycrystalline materials has been developed. The diagnostic consists of a 37-stage Marx bank high-voltage pulse generator coupled to a needle-and-washer electron beam diode via coaxial cable, producing line and bremsstrahlung x-ray emission in a 35 ns(More)
OBJECTIVE The purpose of this study was to describe the demographics, presenting complaints, and health history of new patients seeking treatment at a free chiropractic clinic within a university health center. METHODS A retrospective analysis of patient files from 2008 to 2009 was performed for a free student chiropractic clinic in the Buffalo, NY, area.(More)
OBJECTIVE The overall objectives of this study are 3-fold: (1) attempt to identify the behavioral and access barriers and their resultant delay to seeking chiropractic care; (2) determine which type of delay is most common in different populations and the variables related to this delay; (3) obtain demographic information on patient populations. METHODS A(More)
OBJECTIVE The overall purpose of this study was to determine the characteristics of patients presenting to a free clinic in an ethnic poor neighborhood and how they came to find out about this clinic. The objective of this study was to collect and analyze the demographic and referral information of a free clinic. METHODS Information was collected on(More)
A single-pulse X-ray diffraction (XRD) diagnostic has been developed for the investigation of shocked material properties on a very short time scale. The diagnostic, which consists of a 37-stage Marx bank high-voltage pulse generator coupled to a needle-and-washer electron beam diode via coaxial cable, produces line and bremsstrahlung X-ray emission in a(More)
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