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- [2] A comparison of cataract surgical practices in Canada and the United States [J]. CANADIAN JOURNAL OF OPHTHALMOLOGY-JOURNAL CANADIEN D OPHTALMOLOGIE, 2012, 47 (02): : 131 - 139
- [5] Feeding practices of dog breeders in the United States and Canada [J]. JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 2014, 245 (06): : 669 - 676
- [9] A Comparison of Bird-Feeding Practices in the United States and Canada [J]. WILDLIFE SOCIETY BULLETIN, 2013, 37 (02): : 293 - 300