William P. Collins
ORCID: 0000-0003-4414-8034
· 5 papers in corpus
nonrandomized-trial
1998
BACKGROUND: Nitric oxide is a potent vasodilator and is involved in several physiological events during the female reproductive cycle. OBJECTIVE: The aim of this study was to determine the acute effects of a nitric oxide donor on ultrasoun…
observational
1996
The aim of the study reported here was to establish complementary data for changes in uterine size, echogenicity and vascularity during the menstrual cycle relative to a positive self-test for urinary luteinizing hormone (LH) and day 1 of n…
other
1994
other
1991
Paracetamol-associated luteinized unruptured follicle syndrome: effect on intrafollicular blood flow
We are using transvaginal ultrasonography with color Doppler imaging to study changes in intrafollicular blood flow over the periovulatory period. We report here the findings from one volunteer (subject 9), who took two tablets of paracetam…
observational
1976
The concentrations of prostaglandin E2 and F2alpha were measured by radioimmunoassay in samples of endometrial tissue from 155 women. The results showed that the concentration of prostaglandins E2 (ng/100 mg of wet tissue; mean +/- SD) in t…