User profiles for "author:R Whitehead"

Ralph (Donnie) Whitehead, Jr.

Centers for Disease Control and Prevention
Verified email at cdc.gov
Cited by 3548

Dynamic optical coherence tomography in dermatology

…, C Grana, S Ciardo, R Kästle, J Holmes, R Whitehead… - Dermatology, 2016 - karger.com
Optical coherence tomography (OCT) represents a non-invasive imaging technology, which
may be applied to the diagnosis of non-melanoma skin cancer and which has recently been …

Methods and analyzers for hemoglobin measurement in clinical laboratories and field settings

RD Whitehead Jr, Z Mei, C Mapango… - Annals of the New …, 2019 - Wiley Online Library
This paper describes and compares methods and analyzers used to measure hemoglobin
(Hb) in clinical laboratories and field settings. We conducted a literature review for methods …

Electrokinetic flow in a narrow cylindrical capillary

CL Rice, R Whitehead - The Journal of Physical Chemistry, 1965 - ACS Publications
This paper is a theoretical study of electrokinetic flow in narrow cylindrical capillaries. It is
concerned with the dependence of the usual electrokinetic phenomena on the elec …

Dietary supplementation of lactating Gambian women. I. Effect on breast-milk volume and quality.

AM Prentice, SB Roberts, A Prentice… - Human nutrition …, 1983 - europepmc.org
In order to test whether lactational capacity can be improved by dietary interventions, a
nutritionally balanced supplement was provided under carefully controlled conditions to 130 …

Healing and relapse of severe peptic esophagitis after treatment with omeprazole

…, GG Gibson, AK Grant, DJC Shearman, R Whitehead… - Gastroenterology, 1988 - Elsevier
We have studied the response of erosive or ulcerative esophagitis to treatment with
omeprazole and its subsequent relapse on cessation of therapy in 196 patients. In the first …

Impact of prenatal chlorpyrifos exposure on neurodevelopment in the first 3 years of life among inner-city children

…, HF Andrews, L Hoepner, DB Barr, R Whitehead… - …, 2006 - publications.aap.org
OBJECTIVE. The purpose of this study was to investigate the impact of prenatal exposure to
chlorpyrifos on 3-year neurodevelopment and behavior in a sample of inner-city minority …

High levels of energy expenditure in obese women.

AM Prentice, AE Black, WA Coward, HL Davies… - Br Med J (Clin Res …, 1986 - bmj.com
Total free living energy expenditure was compared in lean and obese women by the new
doubly labelled water method and partitioned into basal metabolism and thermogenesis …

Soluble proteins produced by probiotic bacteria regulate intestinal epithelial cell survival and growth

F Yan, H Cao, TL Cover, R Whitehead, MK Washington… - Gastroenterology, 2007 - Elsevier
Background & Aims: Increased inflammatory cytokine levels and intestinal epithelial cell
apoptosis leading to disruption of epithelial integrity are major pathologic factors in …

The phosphatidylinositol 3′-kinase p85α gene is an oncogene in human ovarian and colon tumors

AJ Philp, IG Campbell, C Leet, E Vincan, SP Rockman… - Cancer research, 2001 - AACR
Abstract Phosphatidylinositol 3′-kinases (PI3ks) are a family of lipid kinases that play a
crucial role in a wide range of important cellular processes associated with malignant …

Activation of β-catenin by carcinogenic Helicobacter pylori

…, M Hatakeyama, R Whitehead… - Proceedings of the …, 2005 - National Acad Sciences
Persistent gastritis induced by Helicobacter pylori is the strongest known risk factor for
adenocarcinoma of the distal stomach, yet only a fraction of colonized persons ever develop …