The Physical Review is a gigantic set of journals, and like anything of its size, many of its published results are wrong. At this very moment I'm writing a rebuttal to a PRD paper that arrived at nonsensical conclusions due to some basic algebra mistakes.

"Several"? Google Scholar shows two, one of which is an approximately 1-page comment on a rebuttal to the other one. Neither mentions "strand theory," the focus of the criticism in that link.