Temporary exacerbation of pre-existing psoriasis and eczema in the context of COVID-19 messenger RNA booster vaccination: A case report and review of the literature - Crystal Zhen Yu Phuan, MBBS, MRCP, MMed (Int Med); Ellie Ci-En Choi, MBBS, MRCP, MMed (Int Med); Hazel H. Oon, MD, MRCP, M Med (Int Med) (Elsevier, 2022)