Trích dẫn APA

Fulton, I. C. (1981). Accuracy of measurements of crown-rump length and biparietal diameter made by inexperienced operators using a real-time scanner.

Trích dẫn kiểu Chicago

Fulton, I C. Accuracy of Measurements of Crown-rump Length and Biparietal Diameter Made By Inexperienced Operators Using a Real-time Scanner. 1981.

Trích dẫn MLA

Fulton, I C. Accuracy of Measurements of Crown-rump Length and Biparietal Diameter Made By Inexperienced Operators Using a Real-time Scanner. 1981.

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