Folic acid malabsorption in atrophic gastritis

Statistical methods

1967 • 19,533 citations

Physiology of the Gastrointestinal Tract

2006 • 4,704 citations

RAPID METHOD FOR THE DETERMINATION OF FAT IN FECES

1949 • 1,888 citations

Physiology of the Gastrointestinal Tract.

1982 • 1,635 citations

Studies on the Intestinal Flora

1969 • 568 citations

Relationships among serum pepsinogen I, serum pepsinogen II, and gastric mucosal histology. A study in relatives of patients with pernicious anemia.

1982 • 512 citations

INTERRELATIONS OF VITAMIN B12 AND FOLIC ACID METABOLISM: FOLIC ACID CLEARANCE STUDIES*

1962 • 508 citations

Relationships Among Serum Pepsinogen I, Serum Pepsinogen II, and Gastric Mucosal Histology

1982 • 384 citations

Aseptic addition method for Lactobacillus casei assay of folate activity in human serum

1966 • 307 citations

Prevalence of Gastritis in a Rural Population

1968 • 244 citations

Fundic Atrophic Gastritis in an Elderly Population: Effect on Hemoglobin and Several Serum Nutritional Indicators

1986 • 234 citations

Pepsinogens I and II: Purification from gastric mucosa and radioimmunoassay in serum

1982 • 209 citations

Gastric and duodenal mucosa in 'healthy' individuals. An endoscopic and histopathological study of 50 volunteers.

1978 • 178 citations

THE PTEROYLGLUTAMATE COMPONENTS OF AMERICAN DIETS AS DETERMINED BY CHROMATOGRAPHIC FRACTIONATION

1963 • 163 citations

Acidic dissociation constants of folic acid, dihydrofolic acid, and methotrexate.

1977 • 152 citations

THE NORMAL RANGE OF GASTRIC ACIDITY FROM YOUTH TO OLD AGE

1932 • 152 citations

Familial Hyperlipoproteinemia and Exocrine Pancreas

1971 • 130 citations

Vitamin Profiles in Elderly Persons Living at Home or in Nursing Homes, versus Profile in Healthy Young Subjects

1979 • 129 citations

A study of folate absorption and metabolism in man utilizing carbon-14—labeled polyglutamates synthesized by the solid phase method

1969 • 124 citations

ABSORPTION OF CRYSTALLINE FOLIC ACID IN MAN

1968 • 105 citations

Folate Conjugase: Two Separate Activities in Human Jejunum

1977 • 102 citations

The Urinary and Faecal Excretion of Radioactivity after Oral Doses of ³H‐folk Acid

1960 • 100 citations

Folic-acid deficiency in elderly patients admitted to hospital.

1966 • 82 citations

Folate nutrition in the elderly

1982 • 80 citations

Trouble-free microbiologic serum and red cell folate assays.

1974 • 78 citations

Influence of intraluminal pH on folate absorption: studies in control subjects and in patients with pancreatic insufficiency.

1979 • 77 citations

Prevalence of Antral and Fundic Gastritis in a Randomly Selected Group of an Estonian Rural Population

1976 • 75 citations

Effect of Intraluminal pH on the Absorption of Pteroylmonoglutamic Acid

1971 • 70 citations

Nutritional status of the elderly in the United States of America, 1971-1974.

1982 • 63 citations

The magnitude and distribution of the acid microclimate in proximal jejunum and its relation to luminal acidification

1978 • 62 citations

Gastric atrophy, atrophic gastritis, and gastric secretory failure. Correlative study by suction biopsy and exfoliative cytology of gastric mucosa, paper electrophoretic and secretory assays of gastric secretion, and measurements of intestinal absorption and blood levels of vitamin B12.

1960 • 61 citations

Folacin and iron status and hematological findings in predominately black elderly persons from urban low-income households

1979 • 58 citations

Severe Impairment of Dietary Folate Utilization in the Elderly

1978 • 57 citations

Folate status in the elderly.

1967 • 57 citations

Gastric Atrophy, Atrophic Gastritis, and Gastric Secretory Failure

1960 • 56 citations

Intestinal Absorption and Malabsorption of Folates

1980 • 56 citations

Correlative Study: Gastric Secretion and Histology

1967 • 50 citations

Effect of Age on Poly- and Monoglutamyl Folacin Absorption in Human Subjects

1984 • 43 citations

Uptake and Reduction of Radioactive Folate by Everted Sacs of Rat Small Intestine

1973 • 43 citations

Comparative Studies of the Intestinal Absorption of [3H]Pteroylmonoglutamate and [3H]Pteroylheptaglutamate in Man

1975 • 42 citations

Folate malabsorption in aged rats related to low levels of pancreatic folyl conjugase

1983 • 41 citations

Enzymatic reduction and methylation of folate following pH-dependent, carrier-mediated transport in rat jejunum

1979 • 40 citations

Folic acid uptake characteristics of a human colon carcinoma cell line, Caco-2. A newly-described cellular model for small intestinal epithelium.

1985 • 37 citations

Folate Analogues in Normal Mixed Diets

1971 • 34 citations

Erythrocyte Folate Levels in Young and Old

1979 • 30 citations

Altered Jejunal Surface pH in Coeliac Disease: Its Effect on Propranolol and Folic Acid Absorption

1982 • 26 citations

Reversible Malabsorption of Folic Acid in the Elderly with Nutritional Folate Deficiency

1976 • 26 citations

Folic acid: a new approach to the mechanism of its intestinal absorption.

1974 • 23 citations

Recent advances in knowledge of clinical and biochemical aspects of folate.

1970 • 23 citations

The Effect of pH on Folic Acid Absorption in Man

1976 • 20 citations

The reproducibility and use of the tritiated folic acid urinary excretion test as a measure of folate absorption in clinical practice: Effect of methotrexate on absorption of folic acid

1973 • 16 citations

Intestinal folic acid absorption and the acid microclimate

1981 • 13 citations

A nutritional survey in the elderly: haematological aspects.

1973 • 12 citations

Malabsorption of Folic Acid following Partial Gastrectomy

1974 • 10 citations

The Hydrolysis and Absorption of Conjugated Folates in Man

1976 • 8 citations

Intestinal transport of tritiated folic acid (3H-PGA) in the everted gut asc of different aged rats.

1974 • 7 citations

O.3 Effect of glucose intake on ventilation

1983 • 6 citations

Folic Acid Absorption in Various Gastrointestinal Disorders

1976 • 6 citations

Pteroyl polyglutamate hydrolase and the intestinal absorption of folate polyglutamates. A review.

1980 • 4 citations