by WYSER, C. P, VAN SCHALKWYK, E. M, ALHEIT, B, BARDIN, P. G, JOUBERT, J. R
Published in American journal of respiratory and critical care medicine (01.11.1997)

by Ferreira, Alet, Williams, Zelda, Donninger, Howard, van Schalkwyk, Emmerentia M., Bardin, Philip G.
Published in Respiration (2002)

by Mattheyse, Frederick J., van Heerden, Kim, Mattheyse, Mary, Williams, Zelda, Bouic, Patrick, van Schalkwyk, Emmerentia M., Bardin, Philip G.
Published in Respiration (2001)

by van Schalkwyk, Emmerentia, Strydom, K., Williams, Zelda, Venter, Louis, Leichtl, Stefan, Schmid-Wirlitsch, Christine, Bredenbröker, Dirk, Bardin, Philip G.
Published in Journal of allergy and clinical immunology (01.08.2005)

by Wyser, C, Walzl, G, Smedema, J P, Swart, F, van Schalkwyk, E M, van de Wal, B W
Published in Chest (01.08.1996)

by DE KLERK, Adél, VAN SCHALKWYK, Emmerentia, WILLIAMS, Zelda, LEE, Wendy, BARDIN, Philip
Published in South African medical journal (01.02.2002)