LUTS are the most common manifestation of diabetic bladder dysfunction, whereas bladder cystopathy is relatively uncommon and most likely represents end-stage bladder failure with symptoms of infrequent voiding, difficulty initiating voiding, and postvoid fullness.
Constipation is a chronic gastrointestinal disorder characterized by symptoms such as infrequent bowel movements, difficulty during defecation, and sensation of incomplete bowel evacuation [ 1- 3].
The absence of Dracunculus larvae in a limited sample of fish and other animals in no way negates the possibility of such a role; it only serves to highlight both the infrequent occurrence and difficulty in finding such a needle in a haystack.
However, studies examining a single source of ambient PM10 are infrequent because of the difficulty finding a site without a mixture of various pollutants, and the complexity of apportioning contributions from different sources [ 2, 6].
We have determined to exclude malignancy of the brain, blood, central nervous system, neck, soft tissue, and other uncommon primary sites, due to the infrequent prevalence and increased technical difficulties in patient recruitment.
Lower respiratory symptoms (wheeze and difficulty breathing) were infrequent in these infants during the summer study period (Table 3).
In fact, there are remarkably few direct measurements even of the flow dynamics as a result of the difficulties of measuring these powerful, infrequent, and often inaccessible flows.
This is probably due to difficulty in seeing small or infrequent hemorrhages grossly against the very dark choroid, or because hemorrhages did not involve the same number of quadrants on the microscopic section as seen on gross exam.
(Self-reported difficulties with other timbres were too infrequent to allow for meaningful comparisons).
Some participants expressed difficulties in retrospectively recollecting symptoms at their infrequent meetings with clinical staff.
Some parents reported having to pay for aftercare themselves because of difficulties in accessing state services, but this was fairly infrequent (1 to 3 cases per category).
