More severe parotid gland histopathology in paediatric-onset than in adult-onset Sjögren’s disease oleh Suzanne Arends, Silvia C Liefers, Frans G M Kroese, Arjan Vissink, Hendrika Bootsma, Bert van der Vegt, Alja J Stel, Fred K L Spijkervet, Gwenny M Verstappen, Wineke Armbrust, Geertje Elizabeth Legger, Uzma Nakshbandi, Martha S van Ginkel, Lisette de Wolff