Results 31 to 40 of about 3,703,583 (316)

Characteristics of multicystic biliary hamartoma: A case report

open access: yesFrontiers in Surgery, 2023
IntroductionMulticystic biliary hamartoma (MCBH) is a very rare hepatic benign neoplasm that manifests as a localized cystic-solid mass. Only 17 cases have been described in the literature to date.
Jia Lian   +22 more
doaj   +1 more source

Ovarian Sex Cord Stromal Tumors in Children and Adolescents—The European Standard Clinical Practice Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider   +15 more
wiley   +1 more source

OECD Development Co-operation Peer Reviews: Switzerland 2013 [electronic resource] /

open access: yes, 2014
This book presents the findings of the OECD Development Assistance Committee's reviews of the individual development co-operation efforts Switzerland for 2013.
Organisation for Economic Co-operation and Development.
core   +1 more source

Operator Calculus of Quantized Operator [PDF]

open access: yesProgress of Theoretical Physics, 1952
The notational ambiguities in Feynman's calculus are all remedied here by setting a more natural foundation of the ordered exponential operators, which will be called briefly "expansional" operators in this paper. The essential point to be stressed is that the pure exponential opErator is merely a special case of the more wider class of operators, i.e.,
openaire   +2 more sources

Ewing Sarcoma in Infants and Children Under 2 Years of Age: A French Retrospective Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Ewing sarcoma, the second most common primary bone cancer in children, requires intensive treatment that may lead to significant long‐term sequelae, particularly in infants. We retrospectively analyzed data from 1621 French patients treated between 1988 and 2015 within the EW88/93/97 or EE99 trials, focusing on 17 infants diagnosed before 24 ...
Elodie Verdier   +18 more
wiley   +1 more source

Chemical Processing Department Monthly Report: 1957-02

open access: yes, 1957
This report from the Chemical Processing Department at HAPO, discusses the following: Production operation, purex operation, redox operation, finished products operation, power and general maintenance operation, financial operation, facilities ...
Hanford Atomic Products Operation. Chemical Processing Department.
core   +1 more source

Subway Vehicle Anomaly Detection Method Considering Comparison of Image Multi-feature Discrepancy Fusion

open access: yesChengshi guidao jiaotong yanjiu
ObjectiveA subway vehicle anomaly detection method based on fusion comparison of images multi-feature discrepancy is proposed, aiming to address the issues of high workload and low efficiency in current manual inspection of subway vehicles.
Guangxing WANG   +5 more
doaj   +1 more source

Safety and Effectiveness of a High‐Dose, Tailored Tissue Plasminogen Activator Therapy Protocol: A Joint Pediatric Hematology and Cardiac ICU Quality Improvement Initiative Analysis

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Pediatric thromboembolism is increasingly encountered in critical care. Systemic thrombolysis with tissue plasminogen activator (tPA) facilitates vessel or valve patency, yet pediatric‐specific protocols remain undefined, and safety concerns persist. Objective To evaluate the efficacy and safety of a tailored, prolonged systemic tPA
Eran Shostak   +5 more
wiley   +1 more source

Correction Method for Urban Rail Transit Train Line Array Camera Images Based on Feature Matching

open access: yesChengshi guidao jiaotong yanjiu
ObjectiveAs a key device in urban rail transit train surveillance systems, the imaging distortion of line scan cameras affects the detection accuracy and efficiency to some extent.
Lei TONG   +5 more
doaj   +1 more source

Problems of testing and operation of hydraulic power transfer units

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
The purpose and principles of operation of a civil aircraft emergency system including a power transfer unit are considered. Problems and trends of the development of piston hydraulic machines in aircraft construction are analyzed.
N. A. Polyakov   +3 more
doaj   +1 more source

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