Assessment Of The Levels Of Interleukin-4 In The Gingival Crevicular Fluid Of A Group Of Patients With Chronic Periodontitis And A Group Of Non-Periodontitis Subjects. Journal of Pharmaceutical Negative Results [Internet]. 2023 Jan. 1 [cited 2026 Jun. 7];:644-50. Available from: https://pnrjournal.com/index.php/home/article/view/6790