Results 61 to 70 of about 8,420,304 (293)

Factors That Fit the Time Series and Cross-Section of Stock Returns

The Review of financial studies, 2018
We propose a new method for estimating latent asset pricing factors that fit the time series and cross-section of expected returns. Our estimator generalizes principal component analysis (PCA) by including a penalty on the pricing error in expected ...
Martin Lettau, Martin Lettau, Martin Lettau, Markus Pelger   +3 more
semanticscholar   +1 more source

Solid Pseudopapillary Neoplasm of the Pancreas in Children and Adolescents: Expert Recommendations

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Solid pseudopapillary neoplasm of the pancreas (SPN) is a rare low‐grade malignant exocrine pancreatic tumor, mostly discovered during the second decade of life in females, with a very good prognosis, provided microscopically complete surgical excision is achieved.
Sabine Irtan, Michael Abele, Calogero Virgone, Michaela Kuhlen, Ricardo Lopez‐Almarez, Tal Ben‐Ami, Ewa Bien, Maja Cesen, Malgorzata A. Krawczyk, Andrea Ferrari, Gianni Bisogno, Yves Reguerre, Dominik T. Schneider, Louise Galmiche, Jorg Fuchs, Sarah Braungart, Bilgehan Yalcin, Ines B. Brecht, Daniel Orbach   +18 more
wiley   +1 more source

Bridging the clinical equivalence gap: a nationwide survey on healthcare professionals' perceptions of whole blood-derived versus apheresis platelets in China

Hematology, Transfusion and Cell Therapy
Introduction: Despite evidence supporting the clinical equivalence of whole blood-derived platelets (WBDP) and apheresis platelets (AP), AP remains the dominant choice for platelet transfusions in many countries.
Tie Cheng Sun, Ning Zhang, Yu Jie Wen, Di Wu, Wei Dong Zhang, Yan Jun Jia   +5 more
doaj   +1 more source

Sparse Signals in the Cross‐Section of Returns

Journal of Finance, 2018
This paper uses a penalized regression known as the LASSO to identify rare, short-lived, “sparse” signals in the cross-section of returns. The LASSO boosts out-of-sample predictability in one-minute returns by 23% relative to OLS regressions. This out-of-
Alexander M Chinco, Adam D. Clark-Joseph, Mao Ye   +2 more
semanticscholar   +1 more source

NEUTRINO NUCLEUS CROSS-SECTIONS

International Journal of Modern Physics E, 2009
We present the results of our calculation which has been performed to study the nuclear effects in the quasielastic, inelastic and deep inelastic scattering of neutrinos(antineutrinos) from nuclear targets. These calculations are done in the local density approximation.
Sajjad Athar, Mohammad, Chauhan, Shikha, Singh, Shri Krishna, Vicente Vacas, Manuel José   +3 more
openaire   +3 more sources

Inpatient Exposure, Confidence, and Knowledge in Pediatric Hematology/Oncology: Evaluating General Pediatric Residents During 2025 ACGME Curriculum Change

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background General pediatricians often evaluate hematologic and oncologic presentations before subspecialty consultation, yet the 2025 Accreditation Council for Graduate Medical Education (ACGME) pediatric requirements reduce inpatient pediatric hematology/oncology (PHO) time, raising questions about resident readiness.
Colburn Yu, Rohini Jain
wiley   +1 more source

A cross-sectional study on socio-demographic correlates of self-reported self-care practices for hypertension and type 2 diabetes among adults living in rural Kenya

BMC Health Services Research
Background Hypertension and type 2 diabetes are among the most common non-communicable diseases that contribute to a large number of adult morbidity and mortality in Kenya.
MacKenna Schwarz, Bishal Gyawali, Dorothy Mwari Nkonge-Ngumba, Sylvia Khamati Anekha, Miriam Ngure, Tania Aase Dræbel   +5 more
doaj   +1 more source

Consensus Standards and Recommendations for Developmental and Cognitive Surveillance, Screening, and Evaluation in Sickle Cell Disease: Executive Summary From the National Alliance of Sickle Cell Centers Neurocognitive Workgroup

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Neurodevelopmental and neurocognitive difficulties are prevalent among individuals with sickle cell disease and warrant prompt identification and support. This Special Report provides an executive summary of standards and recommendations for surveillance, screening, and evaluation for development and cognition across the lifespan developed by ...
Alyssa M. Schlenz, Donna Murdaugh, Andrew M. Heitzer, Jennifer N. Longoria, Wendy Santos‐Modesitt, Arianna Martin, Judy Cavazos, Jeff Schatz, Catherine R. Hoyt, Alison King, Eboni I. Lance, Steven Hardy, Marsha Treadwell   +12 more
wiley   +1 more source

Sarcopenia in the foot on magnetic resonance imaging in patients with diabetes mellitus – a systematic review

Clinical Diabetes and Endocrinology
Introduction Sarcopenia is defined by low measures of muscle quantity, quality and reduced physical performance. It is associated with higher levels of frailty.
Manal Ahmad, Abdulla Mohamed, Dimitri Amiras, Francesca Siracusa, Joseph Shalhoub, Alun Huw Davies   +5 more
doaj   +1 more source

Impact of Japan's 2024 Physician Work‐Style Reform on Pediatric Hematology–Oncology: Educational Implications in a 2‐Year Survey

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Japan's 2024 physician work‐style reform introduced legally binding limits on physicians’ working hours, but its impact on education and workforce sustainability in pediatric hematology–oncology (PHO) remains unclear. Procedure We conducted a repeated cross‐sectional study with structured quantitative items and free‐text responses ...
Kiyohiko Kaizu, Masaharu Akiyama, Toshikazu Itabashi, Jun Hayakawa, Takahiro Kikuchi, Ryohei Fukunaga, Katsuyoshi Koh, Takahiro Ueda   +7 more
wiley   +1 more source