Pullen, H. A. (1902). Extracting the First Permanent Molars. Dent Regist.
Citação norma ChicagoPullen, H. A. "Extracting the First Permanent Molars." Dent Regist 1902.
Deismireacht MLAPullen, H. A. "Extracting the First Permanent Molars." Dent Regist 1902.
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