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Retraction notice to "A study on the role of surface functional groups of metakaolin in the removal of methylene blue: Characterization, kinetics, modeling and RSM optimization" [Environ. Res. 226 (2023) 115604].
Karuppaiyan J, Jeyalakshmi R, Kiruthika S, Wadaan MA, Khan MF, Kim W. Karuppaiyan J, et al. Among authors: kiruthika s. Environ Res. 2025 Jan 21:120850. doi: 10.1016/j.envres.2025.120850. Online ahead of print. Environ Res. 2025. PMID: 39837734
A cross-sectional study of pre- and posttraining evaluation of inhaler use technique among outpatients with bronchial asthma or chronic obstructive pulmonary disease at a tertiary care hospital in India.
Nitya S, Kiruthika S, Meenakshi R, Suriya H, Yuvarajan S. Nitya S, et al. Among authors: kiruthika s. Perspect Clin Res. 2022 Oct-Dec;13(4):184-188. doi: 10.4103/picr.picr_328_20. Epub 2021 Dec 1. Perspect Clin Res. 2022. PMID: 36337375 Free PMC article.
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