You would establish rigorous procedures to ensure gage integrity. (wattsupwiththat.com)
That is, the researcher using the line will not have to go through the rigorous procedure necessary to isolate stem cells again. (sanfordconsortium.com)
«I think all the commotion about making it three years or five years really misses the point about what it means to have a rigorous procedure for evaluating teachers,» says Pechthalt, who taught high school for more than two decades. (prospect.org)