The phrase "a procedure which was" is correct and usable in written English.
It can be used when referring to a specific procedure that has been previously mentioned or is known in the context.
Example: "The study outlined a procedure which was designed to improve patient outcomes significantly."
Alternatives: "a method that was" or "a process that was".
I later learned that being light in that context meant the excision of the entire clitoris along with the inner labia – a procedure which was still a few steps short of the most extreme form of FGM common to that region which involves even more severe cutting and stitching.
Preparation of the chocolate samples followed a procedure, which was modified from the method used by Donovan et al. in 2006 to observe the bioavailability in chocolate samples [25].
Seeing it, I saw a procedure which was familiar, but which I had rejected, perhaps prematurely, many years before: you make nearly undirected marks, letting the paint fall where it may.
Berry picking is a procedure which was used in the 1960s and 1970s.
In our last experiment, we adopted a procedure which was previously used by De Neys [ 38], and Gillard et al. [ 39].
They show an error of the retrieved phase of the complex susceptibility, which was partially corrected by subtracting a slowly varying function from the retrieved phase, determined by a procedure which was, however, not well documented.
It is argued that such a procedure, which is commonly called "forum bar", would delay the outcome of proceedings for extradition.
Also, we were particularly interested in defining a procedure which is rapid and cost-effective.
Then a procedure which is detailed after Eq. (23) is carried out and modifies the error vector ( hat {boldsymbol e}_{k}).
This method utilizes a procedure which is based on Axisymmetric Drop Shape Analysis (ADSA) that uses the shape of drops to measure the interfacial tension.
A procedure which is employed to determine the optimum parameters of two dynamic vibration absorbers tuned to the first two resonances of a beam is given.
