{Reference Type}: Letter {Title}: Pseudoporphyria-a diagnostic challenge: A case series and a proposed diagnostic algorithm. {Author}: Gil-Lianes J;Luque-Luna M;Morgado-Carrasco D;Aguilera-Peiró P; {Journal}: Photodermatol Photoimmunol Photomed {Volume}: 0 {Issue}: 0 {Year}: Feb 2022 15 {Factor}: 3.254 {DOI}: 10.1111/phpp.12781 {Abstract}: