Voutilainen A, Virtanen JK, Hantunen S, Nurmi T, Kokko P, Tuomainen T-P. Nonoptimal Follow-up Times Make It Difficult to Detect the Epidemiological Inverse Relationship Between 25-Hydroxyvitamin D and Lung Cancer. Biostatistics Research [Internet]. 2021 Sep. 6 [cited 2024 Apr. 29];1(1):1-10. Available from: https://ojs.wiserpub.com/index.php/BSR/article/view/985