Authors: van de Loosdrecht, AA Kalk, W Bootsma, H Henselmans, JML Kraan, J Kallenberg, CGM

Citation: Aa. Van De Loosdrecht et al., Simultaneous presentation of sarcoidosis and Sjogren's syndrome, RHEUMATOLOG, 40(1), 2001, pp. 113-115

Authors: Kalk, WWI Vissink, A Spijkervet, FKL Bootsma, H Kallenberg, CGM Amerongen, AVN

Citation: Wwi. Kalk et al., Sialometry and sialochemistry: diagnostic tools for Sjogren's syndrome, ANN RHEUM D, 60(12), 2001, pp. 1110-1116

Authors: Cotner, JB Sada, RH Bootsma, H Johengen, T Cavaletto, JF Gardner, WS

Citation: Jb. Cotner et al., Nutrient limitation of heterotrophic bacteria in Florida Bay, ESTUARIES, 23(5), 2000, pp. 611-620

Authors: Kalk, WWI Vissink, A Spijkervet, FKL Bootsma, H

Citation: Wwi. Kalk et al., Primary sialoangiectasia - a diagnostic pitfall in Sjogren's syndrome - Case report, ORAL SURG O, 87(5), 1999, pp. 568-571

Authors: de Jong, BM Pruim, J Sinnige, LGF Beintema, KD Spronk, PE Bootsma, H Kallenberg, CGM van Zomeren, AH Haaxma-Reiche, H

Citation: Bm. De Jong et al., Regional specific changes of cerebral metabolism in systemic lupus erythematosus identified by positron emission tomography, EUR NEUROL, 41(4), 1999, pp. 187-193