Gupta S, Budhraja V, Sharma S. Minimum cost trend free 16-run foldover designs. Braz. J. Biom. [Internet]. 2026 May 29 [cited 2026 Jun. 23];44(2):e-44989. Available from: http://www.cienciadainformacaoexpress.ufla.br/index.php/BBJ/article/view/989