Wild and cultivated populations of Pyropia haitanensis have frequently experienced extremely low pH conditions in the last few decades.
This is because we have frequently experienced sound bodily health, but have never known true health of the mind" (AT X 215/CSM I 3).
Seven were admitted to the non-AH-group, as they did not have any experience with bouts of AH, while the remaining seven participants were placed in the AH-group, as they had frequently experienced bouts of AH while travelling by flight.
As an ethnic minority in every country in which they live (except Israel), they have frequently experienced persecution throughout history, resulting in a population that has fluctuated both in numbers and distribution over the centuries.
Patients who require ICU admission have frequently experienced rapidly progressive, serious lower respiratory tract disease.
Further, several studies [ 17 19] have reported that persons with migraine have frequently experienced not being taken seriously by healthcare personnel.
Transition countries have frequently experienced health care reforms, including a reduction in the size of the hospital sector, increasing private sector provision, decentralization and changes in payment methods.
However this has not been the case in the study districts as health workers reported that their clients have frequently experienced relapse of infections due to the lack of drugs for opportunistic infections.
The genomes of organisms that are parasitic or that establish symbiotic relationships with other organisms have frequently experienced reductive evolution, discarding enzymatic and cellular machineries in exchange for resources from their hosts.
