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Background: A higher than expected rate of anophthalmia/microphthalmia (A/M) for 1999 was noted in both the Alberta Congenital Anomalies Surveillance System (ACASS) and the Canadian Congenital Anomalies Surveillance System (CCASS).Since this increase was at variance with the previous 19 years, we performed a review to determine whether the increase was true and, if so, the possible explanation.Methods:...
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