1. Dermatology Essentials;Bolognia JL Bolognia J Schaffer JV Duncan KO Ko CJ,2021
2. Valsalva Maneuver;Srivastav S Jamil RT Zeltser R;StatPearls,2023
3. Balloon purpura;Madray VM Liner KR Davis LS;Int J Pediatr Adolesc Med,2021
4. Facial Purpura in a child after inflating a balloon;Rifaioğlu EN Ekiz Ö Şen BB Doğramaci AÇ;J Turk Acad Dermatol,2014
5. Vanessa Ngan;DermNet,2005