User profiles for H. J. Posen

Joshua Posen

Fellow, Hospital for Sick Children, University of Toronto
Verified email at sickkids.ca
Cited by 328

Epidemiology of Zika virus, 1947–2007

HJ Posen, JS Keystone, JB Gubbay, SK Morris - BMJ global health, 2016 - gh.bmj.com
Introduction Since 1947, Zika virus has been identified sporadically in humans in Africa and
Asia; however, clinically consequential Zika virus disease had not been documented prior to …

Travel-associated extensively drug-resistant typhoid fever: a case series to inform management in non-endemic regions

HJ Posen, W Wong, DS Farrar… - Journal of Travel …, 2023 - academic.oup.com
Background Extensively drug-resistant (XDR) typhoid fever is a threat to travelers to
Pakistan. We describe a multicontinental case series of travel-acquired XDR typhoid fever to …

[HTML][HTML] Safety and immunogenicity of intradermal administration of fractional dose CoronaVac®, ChAdOx1 nCoV-19 and BNT162b2 as primary series vaccination

…, S Niyomnaitham, HJ Posen… - Frontiers in …, 2022 - frontiersin.org
There is a limited supply of COVID-19 vaccines, with less than 20% of eligible populations
in low-income countries having received one dose. Intradermal delivery of fractional dose …

Primary sclerosing cholangitis

… , AM, Segal, I., Hodkinson, HJ & Posen - Central African Journal …, 1983 - journals.co.za
Primary sclerosing cholangitis is a rare disorder of unknown aetiology resulting in obstructive
jaundice and eventually secondary biliary cirrhosis. Although this condition is associated …

“Receptor‐positive” Androgen Insensitivity: Report of a Case with Brief Review of the Literature

…, S Gyorki, P Clifton‐Bligh, S Posen - Australian and New …, 1982 - Wiley Online Library
… 7 Marshall RC, Beigcr HJ. Reduto LA, Cohen LS. Gottschalk A. … Smith HJ. Goldstein
RA Griffith JM. Kent KM. … Brou‘er RW, Ten Katen HJ. Bom AH. Hugenholtz PG. …

Osteoporosis and skeletal fractures in chronic liver disease.

…, D Stiel, M Lunzer, M Wilkinson, J Roche, S Posen - Gut, 1990 - gut.bmj.com
In order to determine the prevalence and severity of hepatic osteodystrophy by non-invasive
means we compared 115 consecutive ambulant patients with histologically proven chronic …

Renewing research on problemistic search—A review and research agenda

HE Posen, T Keil, S Kim… - Academy of Management …, 2018 - journals.aom.org
Problemistic search theory, with its roots in the Carnegie School tradition, describes a
behaviorally plausible process by which firms learn from performance feedback. A firm’s …

Tuberculosis hepatitis: a clinical review of 96 cases

AR Essop, JA Posen, JH Hodkinson… - QJM: An International …, 1984 - academic.oup.com
Hepatic tuberculosis was confirmed in 96 patients presenting with the features of liver
disease, only 14 of whom had other concomitant hepatic pathology. Although respiratory …

Lost City meteorite—Its recovery and a comparison with other fireballs

RE McCrosky, A Posen, G Schwartz… - Journal of Geophysical …, 1971 - Wiley Online Library
… Measurements of the meteor i)hotograi)hs [McCroskg and Posen, 19•8] •ve relative distances
D• along the trajectory line for each ith time interval defined by the chopping shutter. …

Reconceptualizing imitation: Implications for dynamic capabilities, innovation, and competitive advantage

HE Posen, JM Ross, B Wu, S Benigni… - … of Management Annals, 2023 - journals.aom.org
Strategic imitation occurs when a firm purposefully attempts to reproduce, in whole or in part,
other firms’ products, processes, capabilities, technologies, structures, or decisions in its …