Authors: Boekema, PJ van Isselt, EFV Bots, ML Smout, AJPM

Citation: Pj. Boekema et al., Functional bowel symptoms in a general Dutch population and associations with common stimulants, NETH J MED, 59(1), 2001, pp. 23-30

Authors: Boekema, PJ Samsom, M Roelofs, JMM Smout, AJPM

Citation: Pj. Boekema et al., Effect of coffee on motor and sensory function of proximal stomach, DIG DIS SCI, 46(5), 2001, pp. 945-951

Authors: Boekema, PJ Lo, B Samsom, M Akkermans, LMA Smout, AJPM

Citation: Pj. Boekema et al., The effect of coffee on gastric emptying and oro-caecal transit time, EUR J CL IN, 30(2), 2000, pp. 129-134

Authors: Boekema, PJ Samsom, M Smout, AJP

Citation: Pj. Boekema et al., Effect of coffee on gastro-oesophageal reflux in patients with reflux disease and healthy controls, EUR J GASTR, 11(11), 1999, pp. 1271-1276

Authors: Boekema, PJ Samsom, M Henegouwen, GPV Smout, AJPM

Citation: Pj. Boekema et al., Coffee and gastrointestinal function: Facts and fiction - A review, SC J GASTR, 34, 1999, pp. 35-39