The phrase "ascertaining cause" is correct and usable in written English.
It can be used in contexts where you are trying to determine or identify the reason behind something.
Example: "The researchers focused on ascertaining cause to better understand the relationship between diet and health outcomes."
Alternatives: "determining the cause" or "identifying the reason".
Unlike medical experts, these scientists specialize in the study of networks themselves — anything ranging from neighborhoods linked via the power grid to teenagers linked on Facebook — and they are familiar with the difficulty of ascertaining cause and effect in such complex constructs.
Ascertaining cause and effect is however more difficult.
Additionally, the NUHDSS integrates the Verbal Autopsy (VA) process for ascertaining cause of death.
In spite of the limitations of the verbal autopsy approach for ascertaining cause of death in impoverished settings, it remains the best available.
This manuscript reports finding from a similar study conducted in Pakistan and adds up to the evidence base on the accuracy of the WHO neonatal VA tool in ascertaining cause of death in the developing world.
Cohort subjects were followed up to December 31, 2007 for CRC incidence and up to December 31, 2005 for CRC death, to account for delays in ascertaining cause of death.
VA is a widely used approach for ascertaining causes of death in settings that lack complete physician certification (13, 14).
Therefore the WHO formulated a specific tool to help resolve the quality issues for ascertaining causes of neonatal deaths [ 13].
[ 20] Effective PMTCT services in this part of the country may partly explain this although errors in ascertaining causes of deaths cannot be ruled out.
Limitations of ascertaining causes of death from data collected from death certificates in individuals with diabetes have been reported 5, 29.
Verbal autopsy, as a method of ascertaining causes of death has increasingly been recommended, especially when death occurs outside of health facilities and without the presence of a medically trained person to assign a cause of death [ 20, 23– 25].
