MacEwan D W, Lock J, Walton R J
J Can Assoc Radiol. 1977 Mar;28(1):3-11.
For the year 1974, in Manitoba, 905,586 x-ray examinations were performed. The services were provided in 154 facilities, using 332 x-ray units, conducted by 566.6 full-time equivalent individuals, at a cost of $11,117,183. The examinations per capita have increased from 0.52 to 0.86 in the past decade while the cost per examination rose only from $11.00 to $12.63.
1974年，在曼尼托巴省共进行了905,586次X光检查。这些检查在154个机构中进行，使用332台X光设备，由相当于566.6个全职人员操作，费用为11,117,183美元。在过去十年中，人均检查次数从0.52次增加到了0.86次，而每次检查的费用仅从11.00美元上涨到了12.63美元。
