Studies on effects of drugs of abuse on HIV infection have been problematic to conduct, primarily because of high variability in drug-usage patterns, length of use and multidrug use, as well as differences in nutritional status and access to medical care.
1 3 Qualitative research has a potential role to inform this balance, particularly in challenging settings where some trials might otherwise be regarded as being too problematic to conduct.
Michael Mandel, the economist who conducted the TechNet study, said it was problematic to slice the jobs data as Apple had done.
It was problematic to say the least.
There were barriers prohibiting interviews with advanced MS patients and similarly, communication disabilities, cognitive impairments, depression or fatigue made it problematic to conduct some interviews.
The instability is problematic for conducting polymers designed as DNA sensors and affects their DNA-sensing ability.
We're trying to address what is problematic about the conduct of gathering it.
"Putting that label on it is problematic, but the conduct did violate those statutes," Kasmarek told HuffPost.
It was suggested that generating evidence in CAM is problematic due to a lack of research funding and perceived barriers to conducting CAM research at Universities.
