Results 101 to 110 of about 5,647 (173)

Uncertainties in stellar abundance analyses [PDF]

open access: yesarXiv, 2003
Over the last half-century quantitative stellar spectroscopy has made great progress. However, most stellar abundance analyses today still employ rather simplified models, which can introduce severe systematic errors swamping the observational errors. Some of these uncertainties for late-type stars are briefly reviewed here: atomic and molecular data ...
arxiv  

Hindgut Duplication in an Infant with Omphalocele-Exstrophy-Imperforate Anus-Spinal Defects (OEIS) Complex. [PDF]

open access: yesEuropean J Pediatr Surg Rep, 2022
Tirrell TF   +5 more
europepmc   +1 more source

Colonic atresia associated with imperforate anus in a patient with down syndrome, expect the unexpected

open access: yesJournal of Pediatric Surgery Case Reports, 2018
We are describing an extremely rare clinical case of two congenital anomalies coexist simultaneously in a full term 18 months-old girl, known down syndrome with imperforate anus.
Ahmed Alahmari, Jamila Al Maary
doaj  

Trans-Perineal Sonographic Findings of Anal Sphincter Muscle Complex in Imperforated Anus: Diagnostic Pitfalls [PDF]

open access: gold, 2021
Seyed Ali Alamdaran   +10 more
openalex   +1 more source

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