Lionel Rosenblatt, the president emeritus of the US-based Refugees International, said: "Access remains problematic for logistics staff inside Burma to the delta and for staff trying to get in from the outside.
Dried blood spots (DBS) are a useful specimen collection tool in situations where venous access is problematic, however, detection of biomarkers from this specimen type is subject to variation depending on storage conditions and storage time.
Water access is problematic throughout the SHINE study area and there is virtually no piped water.
At one recruited site, it quickly became apparent that access was problematic because of competing demands on that organisation.
The rising prevalence of ASD is straining health, education, and community service systems, making service access increasingly problematic (Brown et al., 2011).
In conclusion, geographic/physical barriers to health access remains problematic in the context of Ghana's UWR, where road networks are mostly non-existent.
Third, serial blood sampling can also be a deterrent to subject participation when venous or arterial access is problematic, i.e. in cancer patients or in the elderly.
The abdominal route may be needed for high-location fistulae where vaginal access is problematic such as for ureteric, some vesico-uterine and intracervical fistulae or when concomitant procedures like ureteral reimplantation, demand it.
In Argentina, they can cost up to 89 % of the average lifetime income of the population, and this comes in addition to the problems relating to education, poverty, and lack of health, making access very problematic in this context [ 17].
