The probability of taking a sample for further examination varies among the countries.
Random biopsies were not obtained in clinically negative cases, which are defined as cases that had negative cytology and additionally negative colposcopy; for these cases it is not allowed by the ethical committee to have a sample for histological examination.
After the insertion of the laryngoscope and before the surgeon proceeded to any intervention on the lesion, a sample for cytology examination was taken from the "suspicious" area via a cytology brush.
A serum sample for examination of Brucella antibody by Rose Bengal test using B. abortus antigen (VLA Scientific, Winchester, UK) collected 12 days after fever onset was positive.
A finger prick blood sample for examination of malaria parasite was obtained at enrolment and at the end of the six month observation period.
To confirm their positive diagnosis for schistosomiasis, the enrolled children were asked to provide another urine sample for examination the following day and the mean egg count of the two samples was considered as the baseline intensity of infection.
This anxiety could possibly be lowered by an additional introduction to the examination software or a sample examination for these students.
The extractable compound was dissolved in 50% ethanol and used as a test sample for further examination.
Dilation and curettage or an endometrial biopsy are used to obtain a tissue sample for histological examination.
All patients produced three sputum samples, of which at least one was a morning sample, for microscopic examination after Ziehl-Neelsen staining.
At each visit, auxiliary temperature was checked, and if found ≥ 37.5°C, a blood sample for microscopic examination (thick and thin blood film) and later, genotyping (Whatman filter paper grade 3) was collected.
