Wekesa et al. ([2003]) examined adoption of improved maize varieties and fertilizer in the coastal lowlands of Kenya and found that unsuitable climatic conditions, high cost and unavailability of seed, perceived soil fertility and low financial endowments were responsible for the low adoption.
We then measured the reliability of the system to deliver these pieces of equipment when needed for peripheral intravenous catheter insertions, and conducted interviews with key staff to explore how the supply chains worked and the factors perceived as contributing to equipment unavailability.
It was concluded that despite the low level of use of UV therapy mainly due to its unavailability, physiotherapists in Northwestern Nigeria perceived the modality as being efficacious.
Such barriers include: lack of transportation, distance from the health centre, cost of travel and health services, perceived low-quality of care in facilities, unavailability of emergency obstetric care at health centres, and cultural barriers including women's inability to travel alone and their adherence to traditional practices [ 2, 11- 15].
Suburban turtles did not estivate terrestrially, in part because their water bodies experienced dampened water level fluctuations and retained water during drought, though the relative unavailability of suitable estivation sites and perceived threats could also account for their avoidance of extended forays into the terrestrial environment.
If patients are traveling abroad due to a lack of insurance, perceived lengthy wait times for care, or the unavailability of certain procedures, then health professionals must ask what their role is in reducing these factors and caring for the patients who choose to seek care abroad.
Unavailability of equipments, supplies, and drugs was perceived as creating a gap between physician's case management skills acquired during training and their practice of the strategy.
Stigma could also be due to perceived fear of occupational injuries to HCWs due to unavailability of protective equipment which will further fuel the fear of HIV infection amongst HCW.
Factors perceived as contributing to poor hand-hygiene compliance include unavailability of handwashing sinks, time required to perform hand hygiene, patient's condition, effect of hand-hygiene products on the skin, and inadequate knowledge of the guidelines (10, 15 – 215).
In addition, they also identified a number of other issues which they perceived as direct barriers to their performance, such as unavailability of mentors or without being any professional support, no one to ' check', rare opportunities for professional enhancement, and social isolation.
