Efficacy of heat-treated Lacticaseibacillus paracasei PS23 for individuals with long coronavirus disease-19 syndrome: a double-blinded randomized control pilot study. - Wu, Shu-I; Lin, Chen-Ju; Lin, Ya-Ju; Lin, I-Chieh; Hwang, Lee-Ching; Chen, Wan-Lin (Scientific Reports, 2026)