(1990). Nelson essentials of pediatrics. Philadelphia: S. W. Saunder Co.
Trích dẫn kiểu ChicagoNelson Essentials of Pediatrics. Philadelphia: S. W. Saunder Co, 1990.
Deismireacht MLANelson Essentials of Pediatrics. Philadelphia: S. W. Saunder Co, 1990.
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