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A compton peak method for incident angle determination in XRF with annular excitation
(X-Ray Spectrometry, 1992)
Established methods for measuring the incident angle related to XRF when radioisotope annular sources are involved are briefly discussed. As an alternative technique, a direct measurement of the incident angle from the ...
Dementia attributable healthcare utilizations in the Caribbean versus United States
(Journal of Alzheimer's Disease, 2023-11-07)
Despite the high burden of Alzheimer's disease and other dementias among the Hispanic population worldwide, little is known about how dementia affects healthcare utilizations among this population outside of the US, in ...
Endoscopic sutured gastroplasty: procedure evolution from first-in-man cases through current technique
(PublMed, 2018)
Endoscopic sutured gastroplasty (ESG) has evolved over time. With the advent of full-thickness endoscopic suturing, an efficient technique for ESG was developed and refined. This prospective first-in-man trial started in ...
Piper umbellatum L.: A comparative cross-cultural analysis of its medicinal uses and an ethnopharmacological evaluation
(Journal of Ethnopharmacology, 2010)
This review assesses the botany, traditional medicinal uses, phytochemistry, pharmacology and toxicology of P. umbellatum. Information on P. umbellatum was gathered via the internet (using Scirus, Google Scholar, CAB-Abstracts, ...
Endoscopic treatment of gastrointestinal leaks
(Springer, Cham, 2023-03)
Gastrointestinal leaks are severe complications after bariatric surgery, mainly related to postoperative anastomotic defects with substantial morbidity and mortality. Surgical interventions can be complicated with high ...
Androgens and the evolution of male-gender identity among male pseudohermaphrodites with 5α-reductase deficiency
(N Engl J Med, 1979)
To determine the contribution of androgens to the formation of male-gender identity, we studied male pseudohermaphrodites who had decreased dihydrotestosterone production due to 5α-reductase deficiency. These subjects were ...
Acanthamoeba keratitis. Contact lens and noncontact lens characteristics
(Ophthalmology ., 1995-09)
To identify potential differences in time to diagnosis and final visual outcome between contact lens and noncontact lens users with Acanthamoeba keratitis. Prior studies have shown early diagnosis and therapy to be related ...
Mössbauer and X-ray fluorescence study of sediments from Samana Bay, Dominican Republic
(Journal of Radioanalytical and Nuclear Chemistry, 1995-08)
The chemical state of iron in sediments collected from Samana Bay has been determined by Mössbauer spectroscopy. The Mössbauer spectra were composed of two paramagnetic doulets, which correspond to high=spin ferric and ...
4-Hydroxyphenylpropan-7,8-diols and derivatives from Narvalina domingensis
(Phytochemistry, 1996)
Investigation of a Haitian medicinal plant, Narvalina domingensis, afforded, erythro- and threo-4-hydroxyphenylpropan-7,8-diol and their 7-O- methyl ether, 7-O-ethyl ethers and 4-O-isovaleric acid esters. The structures ...
Adaptive digital access protocol: a MAC protocol for multiservice broadband access networks
(IEEE Communications Magazine, 1996-03)
The authors describe a protocol that can adapt to the changing demands of a mix of synchronous transfer mode (STM) and asynchronous transfer mode (ATM) applications and efficiently allocate bandwidth to a variety of bursty ...