Results 21 to 30 of about 1,666,748 (315)

Single-User Performance of Uplink DS-CDMA using Relay-Assisted Diversity [PDF]

open access: yes, 2006
In a wireless system with distributed mobile users, several mobile users may cooperate with each other in order to achieve the transmit diversity. In this contribution we investigate the single-user performance of an uplink direct-sequence code-division ...
Lie-liang Yang   +5 more
core   +1 more source

Cognitive assistants [PDF]

open access: yesInternational Journal of Human-Computer Studies, 2018
This work is supported by COMPETE: POCI-01-0145-FEDER-007043 and FCT - Fundação para a Ciência e Tecnología within the projects UID/CEC/00319/2013 and Post-Doc scholarship SFRH/BPD/102696/2014 (Angelo Costa) This work is partially supported by the MINECO/FEDER TIN 2015-65515-C4-1-R.
Ângelo Costa   +3 more
openaire   +3 more sources

Video assisted thoracic surgery for treatment of pneumothorax and lung resections: systematic review of randomised clinical trials [PDF]

open access: yes, 2004
<b>Objectives</b> To determine if video assisted thoracic surgery is associated with better clinical outcomes than thoracotomy for three common procedures: surgery for pneumothorax, minor resections, and lobectomy.
Sedrakyan, Artyom   +7 more
core   +1 more source

Acceptability of babies conceived through assisted reproductive technology among married women in University of Benin Teaching Hospital, Benin City, Nigeria

open access: yesCHRISMED Journal of Health and Research, 2020
Context: Infertility is a condition whereby a married woman is unable to get pregnant despite having frequent, unprotected sex for at least a year. This has been an area of medicine in which health care practitioners had limited means to help their ...
Olaolorunpo Olorunfemi   +4 more
doaj   +1 more source

Sperm retrieval techniques for assisted reproduction

open access: yesInternational Brazilian Journal of Urology, 2011
Different surgical methods such as PESA, MESA, TESA, TESE and micro-TESE have been developed to retrieve spermatozoa from either the epididymis or the testis according to the type of azoospermia, i.e., obstructive or non-obstructive.
Sandro C. Esteves   +2 more
doaj   +1 more source

miR-196a-5p-Rich Extracellular Vesicles from Trophoblasts Induce M1 Polarization of Macrophages in Recurrent Miscarriage

open access: yesJournal of Immunology Research, 2022
Purpose. Numerous studies have described the presence of crosstalk between trophoblasts and macrophages and the critical role it plays in recurrent miscarriage (RM).
Jing Zhang, Yu Tao, Renfei Cai, Yao Wang
doaj   +1 more source

An assistant expert system: assisting assistors in assisting taxpayers [PDF]

open access: yes[1989] Proceedings. The Annual AI Systems in Government Conference, 2003
The US Internal Revenue Service (IRS) employs 5000 assistors to answer telephone inquiries from taxpayers. The author describes the design and development of an expert system, the Taxpayer Service Assistant (TSA), that helps assistors provide advice to taxpayers on tax law topics.
openaire   +1 more source

Computer assisted knee replacement surgery : is the movement mainstream?

open access: yes, 2014
The first computer-assisted Total Knee Arthroplasty (TKA) was performed in 1997. The FDA approved computer assisted knee arthroplasty systems used in the early 2000s.
Deep, Kamal   +3 more
core   +1 more source

THE SURGICAL ASSISTANT [PDF]

open access: yesAJN, American Journal of Nursing, 1906
n ...
openaire   +4 more sources

Carcinomas and Carcinoid Tumors of the Lungs and Bronchi in Children and Adolescents: The EXPeRT Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele   +19 more
wiley   +1 more source

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