A dual radioisotopic method was employed to study the rate of gastric emptying of meals in
ten males with an average age of 31 years and 10 elderly males with an average age ot 76.4 …

Circadian rhythms of DNA synthesis and cellular proliferation in the gastrointestinal mucosa
have been well documented in animal models. This investigation was designed to …

Eggs of Enterobius vermicularis (human pinworm) were found in human coprolites from Hopug
and Danger Caves, western Utah. The caves were inhabitated by man from 10,000 BC to …

Recent statistics suggest approximately 20 percent of the American work force is engaged in
shift work. The evidence which is reviewed in this manuscript suggests that shiftworkers are …

Twenty-one men with active duodenal ulcer underwent hourly gastric acid and 4-hourly
plasma collections under fasting conditions. A statistically significant circadian rhythm was …

Examination of ova and parasites from coprolites of probable human origin revealed eggs of
the phylum Acanthocephala. Specimens were gathered from Danger Cave in Utah, an area …

Results The study included 223 patients with rectal bleeding aged< 50 years who had
undergone a colonoscopy. Normal findings were recorded for 48 (21.5%). Four (1.8%) were …

Geometric-mean correction of gastric radioactivity can be used to correct for the distribution,
depth, and attenuation of the radionuclide. Anterior image counts were compared with the …

The evolution of the Main Porcupine Basin can be divided into pre-rift, syn-rift and post-rift
stages. The syn-rift/post-rift transition represents a gradual change from extensive fault activity …

We present observations of five stellar occultations for (11351) Leucus and reports from two
efforts on (21900) Orus. Both objects are prime mission candidate targets for the Lucy …