You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Updated: Jun 25, 2025

A Method of Trigonometric Modelling of Seasonal Variation Demonstrated with Multiple Sclerosis Relapse Data
Published on: December 9, 2015
Jia Shi1, Chunyan Yin2, Jinyi Wu1,3
1Department of public health, Wuhan Fourth Hospital, Qiaokou, Wuhan, 430022, China.
This study found a U-shaped link between vitamin D and prostate-specific antigen (PSA) levels. Optimal vitamin D levels may lower PSA, but very high levels might increase it, suggesting personalized supplementation.
Area of Science:
Background:
Purpose of the Study:
Main Methods:
Main Results:
Conclusions: