The phrase "a previous study implementation" is correct and usable in written English.
It can be used when referring to the execution or application of a study that was conducted earlier.
Example: "In our research, we built upon a previous study implementation to enhance our findings."
Alternatives: "an earlier study execution" or "a prior study application".
In a previous study, when implementation was studied, the accelerated process resulted in a higher proportion of patients being safely discharged within 6 h of ED presentation (19.3% vs. 11%) [11].
A previous study showed that implementation of an intubation management protocol reduced the incidence of intubation-related ICU complications, in particular CVC (15%% versus 27%%) [ 6].
In terms of the health economic perspective, a previous study confirmed that implementation of rotavirus vaccination in Indonesia could be cost-effective [ 7].
A previous study, describing the implementation of a Medline search tool for handhelds in a clinical setting, reported optimal values for term count and retrieved articles comparable to our results [ 26].
In a previous study concerning the implementation of the Housing First program in an American suburban county, Felton [ 6] found that this program was also described as a new practice having unique expertise, and this again met resistance from local authorities.
The surveys were pilot tested in a previous study (unpublished), prior to implementation in this study.
This model is based on a previous study [19], and we improved implementation of the inharmonic models.
In a previous study we evaluated the distribution, implementation and acceptance of PGL among medical doctors, and in the present paper we present the results based on quality-of-care indicators before and after the introduction of PGL.
A major barrier to the delivery and uptake of HPV vaccination was the cost of the vaccine, which was also reported in a previous study that evaluated the early implementation of the national HPV vaccination program for young adult women in Australia [ 16].
In a previous study conducted in 2011, REDD+ opportunity and implementation costs for Tanzania were estimated using a bottom-up approach by taking into consideration regional variations at district-level [14].
