PT  - JOURNAL ARTICLE
AU  - Sebastiaan H Hulstein
AU  - Elske Hoornenborg
AU  - Maarten F Schim van der Loeff
TI  - Error in the calculation of person-time in the before-PrEP period by Beymer <em>et al</em>
AID  - 10.1136/sextrans-2018-053795
DP  - 2018 Nov 01
TA  - Sexually Transmitted Infections
PG  - 514--514
VI  - 94
IP  - 7
4099  - http://sti.bmj.com/content/94/7/514.short
4100  - http://sti.bmj.com/content/94/7/514.full
SO  - Sex Transm Infect2018 Nov 01; 94