Results 161 to 170 of about 10,433 (250)

Evidence Suggests Prophylactic Antibiotics May Be Unnecessary in Anorectal Surgery—A Systematic Review and Meta‐Analysis

open access: yesWorld Journal of Surgery, EarlyView.
Current evidence does not support the routine use of prophylactic antibiotics in uncomplicated anorectal procedures. However, the certainty of evidence is limited by small sample sizes, methodological heterogeneity, and limited number of available studies. Large‐scale randomized trials are required to strengthen this evidence base.
James Jin   +3 more
wiley   +1 more source

Billroth II With Braun Anastomosis Versus Roux‐En‐Y Reconstruction Following Distal Gastrectomy: A Systematic Review and Meta‐Analysis

open access: yesWorld Journal of Surgery, EarlyView.
The efficacy of Billroth II with Braun (BIIB) anastomosis in laparoscopic distal gastrectomy remains uncertain. We aimed to perform a systematic review and meta‐analysis comparing BIIB with Roux en Y (RY) for distal laparoscopic gastrectomy. ABSTRACT Introduction The efficacy of Billroth II with Braun (BIIB) anastomosis in laparoscopic distal ...
Wendy Chang   +3 more
wiley   +1 more source

Hall subgroups of the symmetric groups

open access: yesJournal of Combinatorial Theory, 1966
openaire   +2 more sources

Polymorphism in Tetramethylammonium Selenocyanate – Crystal Structures of α‐, β‐, and γ‐[NMe4][SeCN]

open access: yesZeitschrift für anorganische und allgemeine Chemie, EarlyView.
This study reports the synthesis and crystallographic investigation of tetramethylammonium selenocyanate. The structures of α‐, β‐, and γ‐[NMe4][SeCN] are related to one another and also to the CsCl‐type. In the solid state, tetramethylammonium selenocyanate, [NMe4][SeCN], is polymorphic.
Sven Ringelband   +4 more
wiley   +1 more source

Rb4CuSb2X12 (X = Cl, Br) as Novel Vacancy‐Ordered Quadruple Perovskites

open access: yesZeitschrift für anorganische und allgemeine Chemie, EarlyView.
The vacancy‐ordered quadruple perovskites Rb4CuSb2X12 (X = Cl, Br) were crystallized from hydrohalic acid. Their crystal structures can be interpreted as new distortion variants of the perovskite structure with ordered vacancies. The electronic structure of Rb4CuSb2Br12 shows that the Br and Sb states form the valence band and the upper conduction band.
Mirko Bravic   +5 more
wiley   +1 more source

Early detection of kidney impairment in school-aged children born very preterm: a parallel use of traditional and modern biomarkers. [PDF]

open access: yesPediatr Nephrol
Dokousli V   +7 more
europepmc   +1 more source

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