User profiles for R. Ramirez

Rafael Ramirez

- Verified email at sbs.ox.ac.uk - Cited by 11111

Robert A Ramirez

- Verified email at ochsner.org - Cited by 9067

Rafael J. Ramirez

- Verified email at jhmi.edu - Cited by 4594

Value co‐production: intellectual origins and implications for practice and research

R Ramirez - Strategic management journal, 1999 - Wiley Online Library
This paper surveys the history of an alternative view of value creation to that associated with
industrial production. It argues that technical breakthroughs and social innovations in actual …

Rhythmic and dysrhythmic thalamocortical dynamics: GABA systems and the edge effect

R Llinás, FJ Urbano, E Leznik, RR Ramírez… - Trends in …, 2005 - cell.com
Brain function is fundamentally related in the most general sense to the richness of
thalamocortical interconnectivity, and in particular to the rhythmic oscillatory properties of …

Surgery for epilepsy

…, A Sudan, R Ramirez, R Newton - Cochrane Database …, 2019 - cochranelibrary.com
Objectives The primary objective is to assess the overall outcome of epilepsy surgery
according to evidence from randomised controlled trials.

Prevalence of SARS-CoV-2 in Spain (ENE-COVID): a nationwide, population-based seroepidemiological study

…, DP del Campo, AF de Castro, RL Ramírez… - The Lancet, 2020 - thelancet.com
Background Spain is one of the European countries most affected by the COVID-19 pandemic.
Serological surveys are a valuable tool to assess the extent of the epidemic, given the …

From value chain to value constellation: Designing interactive strategy.

R Normann, R Ramirez - Harvard business review, 1993 - europepmc.org
In today's fast-changing competitive environment, strategy is no longer a matter of
positioning a fixed set of activities along that old industrial model, the value chain. Successful …

Pembrolizumab in patients with advanced hepatocellular carcinoma previously treated with sorafenib (KEYNOTE-224): a non-randomised, open-label phase 2 trial

…, B Parsons, AS Paulson, C Pinto, R Ramirez… - The Lancet …, 2018 - thelancet.com
Background Immune checkpoint blockade therapy has shown promising results in patients
with advanced hepatocellular carcinoma. We aimed to assess the efficacy and safety of …

Overview of race and Hispanic origin: 2010

K Humes, NA Jones, RR Ramirez - 2011 - hero.epa.gov
This report looks at our nation's changing racial and ethnic diversity. It is part of a series that
analyzes population and housing data collected from the 2010 Census, and it provides a …

Habitable zones around main-sequence stars: new estimates

RK Kopparapu, R Ramirez, JF Kasting… - The Astrophysical …, 2013 - iopscience.iop.org
… Once the detailed spectra were calculated, separate broadband k-coefficients for both H
2 O and CO 2 were generated by R. Freedman using standard procedures. But these …

Ionic mechanisms underlying human atrial action potential properties: insights from a mathematical model

M Courtemanche, RJ Ramirez… - American Journal of …, 1998 - journals.physiology.org
… We first consider a comparison of the slow gating variablesf, f Ca , x r , and x s 2 at the
onset of the AP for stimulation periods of 1,000 and 300 ms. These slow variables are most …

[PDF][PDF] iPSC-derived human microglia-like cells to study neurological diseases

EM Abud, RN Ramirez, ES Martinez, LM Healy… - Neuron, 2017 - cell.com
Microglia play critical roles in brain development, homeostasis, and neurological disorders.
Here, we report that human microglial-like cells (iMGLs) can be differentiated from iPSCs to …