@book{332524,
	title = {Initial experience with intra-fraction motion monitoring using Calypso guided volumetric modulated arc therapy for definitive prostate cancer treatment (pages 25–34)},
	publisher = {Journal of Medical Radiation Sciences},
	url = {http://onlinelibrary.wiley.com/doi/10.1002/jmrs.2017.64.issue-1/issuetoc}
}