Kivi, M.; Koedijk, F. D.H.; Van Der Sande, M.; Van De Laar, M J W. (2008). „Evaluation prompting transition from enhanced to routine surveillance of lymphogranuloma venereum (LGV) in the Netherlands”. Eurosurveillance. 13 (14): 7—8. PMID18445453. doi:10.2807/ese.13.14.08087-en..
Kivi, M.; Koedijk, F. D.H.; Van Der Sande, M.; Van De Laar, M J W. (2008). „Evaluation prompting transition from enhanced to routine surveillance of lymphogranuloma venereum (LGV) in the Netherlands”. Eurosurveillance. 13 (14): 7—8. PMID18445453. doi:10.2807/ese.13.14.08087-en..