Normotensive renal failure in systemic sclerosis

DJ Helfrich, B Banner, VD Steen… - Arthritis & Rheumatism …, 1989 - Wiley Online Library
Of 140 patients with “scleroderma renal crisis” encountered during a 33‐year period, 15 of
131 (11%) whose blood pressures were recorded were normotensive during this complication…

Childhood onset systemic sclerosis: classification, clinical and serologic features, and survival in comparison with adult onset disease.

…, T Arkachaisri, M Lucas, N Fertig, DJ Helfrich… - The Journal of …, 2006 - jrheum.org
OBJECTIVE: To describe the differences between patients with systemic sclerosis (SSc)
having childhood versus adult onset evaluated at a single medical center. METHODS: Patients …

Scleromyxedema myopathy: case report and review of the literature

DJ Helfrich, ER Walker, AJ Martinez… - … : Official Journal of the …, 1988 - Wiley Online Library
We describe a patient who had scleromyxedema associated with proximal myopathy. The
histopathologic and electron microscopic features are presented. In addition, we review the …

Scleromyxedema serum increases proliferation but not the glycosaminoglycan synthesis of dermal fibroblasts.

M Ferrarini, DJ Helfrich, ER Walker… - The Journal of …, 1989 - europepmc.org
In comparison to normal fibroblasts cultured in parallel, scleromyxedema fibroblasts grew
less well, synthesized increased amounts of glycosaminoglycans (GAG) in vitro and had …

Long nonlinear internal waves

KR Helfrich, WK Melville - Annu. Rev. Fluid Mech., 2006 - annualreviews.org
Over the past four decades, the combination of in situ and remote sensing observations has
demonstrated that long nonlinear internal solitary-like waves are ubiquitous features of …

A model for large-amplitude internal solitary waves with trapped cores

KR Helfrich, BL White - Nonlinear Processes in Geophysics, 2010 - npg.copernicus.org
… KR Helfrich and BL White: Trapped-core internal solitary waves … White, BL and Helfrich,
KR: Gravity currents and internal waves in a stratified fluid, J. Fluid Mech., 616, 327–356, 2008. …

Size distributions of vesicles: the role of the effective rigidity of membranes

W Helfrich - Journal de physique, 1986 - jphys.journaldephysique.org
The size distribution of spherical vesicles is studied theoretically, in particular the influence
of the dependence of the effective rigidity on the size of the bilayer. The logarithmic decrease …

Giant cell arteritis of the tongue presenting as macroglossia.

DJ Helfrich, LM Mulhern, FJ Luparello… - The Journal of …, 1988 - europepmc.org
While the tongue has been noted to be involved in giant cell arteritis, there are no recorded
instances in which the disease has been confined to the tongue. We describe a patient who …

Clinical and radiographic improvement of bone of the second lumbar vertebra in Paget's disease following therapy with etidronate disodium: a case report

JJ Nicholas, DJ Helfrich, L Cooperstein… - … : Official Journal of …, 1989 - Wiley Online Library
Paget's disease of bone is most commonly seen in the spine; it may either be asymptomatic
or may cause pain and neurologic impairment. We describe a patient with back pain due to …

On long nonlinear internal waves over slope-shelf topography

KR Helfrich, WK Melville - Journal of Fluid Mechanics, 1986 - cambridge.org
An experimental and theoretical study of the propagation and stability of long nonlinear internal
waves over slope–shelf topography is presented. A generalized Korteweg–de Vries (KdV…