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Lantinga, Marten A., Felix Theunissen, Pieter C. J. ter Borg, Marco J. Bruno, Rob J. T. Ouwendijk, a Peter D. Siersema. "Impact of the COVID-19 Pandemic On Gastrointestinal Endoscopy in the Netherlands: Analysis of a Prospective Endoscopy Database." Endoscopy 2021.

Lantinga, Marten A., et al. "Impact of the COVID-19 Pandemic On Gastrointestinal Endoscopy in the Netherlands: Analysis of a Prospective Endoscopy Database." Endoscopy 2021.