Thus while public sector HIV clinic services and tuberculosis treatment are free at the point of use in South Africa, patient costs might still pose barriers that could limit universal access to care and could have negative implication for patient retention and adherence.
"There are, of course, key questions to be raised about how quickly this transition can happen, how we are going to fund it and which vested interests might pose potential barriers to change, but overall we are at a phase shift where one system is making way for another".
Where relevant, participants were asked to describe in detail the ways in which food insecurity might pose a barrier to ARV adherence.
Although recognizing communication as a direct influence on patient care and safety is useful, it is not clear whether the strategies suggested to facilitate communication in one situation, might pose a barrier to communication in another.
While menstruation might have posed barriers to worship initially, for many Jews today, that time of the month now requires only a temporary hold on intimacy among married couples.
Unpublished pricing, monthly minimums, and an enterprise sales model pose barriers to developers who might otherwise find the services valuable.
Their difficulties in managing research projects with biobanks often pose barriers to research.
The private market, traditional healers and quacks can also pose barriers to quality care.
Early in the argument, several justices suggested that the 1871 law might pose an insurmountable barrier to defendants who sold cocaine before August 2010.
Dr. Brough of FreedomWorks acknowledged that more than 70 years of jurisprudence and the structure of the government from the New Deal onward might pose a difficult barrier for his group to surmount.
