1. Adams, E. 2011. Quality Control workshop. Student manual. Cape Town. 21-25 November.

2. Bower, W. 2010. Quality control Test manual. Groote Schuur Hospital.

3. Van der Merwe, B., Friedrich-Nel H. and Willemse, C.A. 2007.
   Radiation Distribution in a Private Neurological Theatre During Invasive Back Pain Management Procedures.
   Preliminary Results.  Physica Medica. Volume 23, Issues 3-4, December 2007, Pages 131-132
   https://www.researchgate.net/publication/247355908_Radiation_Distribution_in_a_Private_Neurological_Theatre_During_Invasive_Back_Pain_Management_Procedures_-_Preliminary_Results

4. Van der Merwe, B. 2008.
   Radiation distribution in a private neurological theatre during invasive back pain management procedures.
   (Unpublished Magister thesis). Bloemfontein: Central University of the Free State.
   http://www.netd.ac.za/portal/?action=view&identifier=oai%3Aunion.ndltd.org%3Acut%2Foai%3Air.cut.ac.za%3A11462%2F110

5. Van der Merwe, B and Acho, S. 2009.
   Skin doses in fluoroscopically guided interventional procedures in back pain management. SA RADIOGRAPHER. April 2009, Volume 47 number 1.
   http://www.sar.org.za/index.php/sar/article/view/134

6. Van der Merwe, B. 2009.
   Radiation dose to the neurosurgeon during back pain management procedures.
   NEUROSURGERY QUARTERLY 19 (2):120-131, June 2009 doi: 10.1097/WNQ. 0b 013 e 3181a362a9.
   http://journals.lww.com/neurosurgery-quarterly/Abstract/2009/06000/Radiation_Dose_to_the_Neurosurgeon_During_Invasive.7.aspx

7. Van der Merwe, B. 2010.
   C-Arm orientation during back pain procedures.
   SA RADIOGRAPHER. May 2010, Volume 48 number 1.
   http://www.sar.org.za/index.php/sar/article/view/168

8. Van der Merwe, B and Friedrich-Nel, H. 2010.
   Fluoroscopic protocol for invasive back pain management procedures.
   JOURNAL FOR NEW GENERATION SCIENTISTS (JNGS). December 2010. Vol 8 No 1.
   http://reference.sabinet.co.za/document/EJC83557

9. Van der Merwe, B. 2011.
   Stralingsblootstelling en beskerming in ’n chirugiese teater.
   Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie. Online journal. Manuscript URL:
   http://www.satnt.ac.za/index.php/satnt/author/submission/269.

10. Van der Merwe, B. 2012.
    Radiation dose to surgeons in theatre. South African Journal of Surgery (SAJS). May 2012, Vol 49, no 2.
    SAJS Radiation dose to surgeons BelindavdMerwe.pdf

11. Van der Merwe, B. 2014.
    Standardised training and assessment in radiation safety for diagnostic radiographers.
    ISRRT 18th World Congress. Book of Abstracts. 12-15 June 2014. Helsinki. Finland. p 23.
    http://portfolio-web.ess.fi/www/SuomenRontgenhoitajat/2014_ISRRT/#/1/

12. Van der Merwe, B. 2015.
    Best practice for standardised training and assessment for diagnostic radiography.
    EDULEARN15 Proceedings. 7th International Conference on Education and New Learning Technologies. ISBN 978-84-606-8243-1. ISSN Publisher IATED., 2015. p1409.
    http://library.iated.org/view/VANDERMERWE2015BES.

13. Wagner, L.K.
    Radiation injury is a potentially serious complication to fluoroscopically-guided complex interventions.
    Biomedical Imaging and Intervention Journal.
    Available online at http://www.biij.org/2007/2/e22 doi: 10.2349/biij.3.2.e22

14. VAN DER MERWE, B; KRUGER, S B; NEL, M M.
    Radiation safety requirements for training of users of diagnostic X-ray equipment in South Africa. African Journal of Health Professions Education, [S.l.], v. 9, n. 3, p. 123-127, sep. 2017. ISSN 2078-5127. Available at: http://www.ajhpe.org.za/index.php/ajhpe/article/view/924/474.

Acknowledgement
Quality Control Officers at Universitas Hospital, Anita Erasmus and Henra Muller, for their assistance and guidance regarding the quality control tests.