PSORIATICUM: Topical Hypericum Perforatum for Moderate Plaque Psoriasis: Study Protocol for a Randomized Controlled Trial. Principles and Practice of Clinical Research, [S. l.], v. 9, n. 4, 2024. DOI: 10.21801/ppcrj.2023.94.9. Disponível em: https://journal.ppcr.org/index.php/ppcrjournal/article/view/245.. Acesso em: 25 may. 2024.