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Copyright (c) 1970 Jonliberti Purba, Sri Mulatsih, Neti Nurani, Teguh Triyono

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Jonliberti Purba
* Corresponding Author
Sultan Sulaiman District Hospital, Serdang Bedagai District, North Sumatra,
Sri Mulatsih
Department of Pediatrics, Faculty of Medicine, Universitas Gadjah Mada/Dr. Sardjito General Hospital, Yogyakarta, Indonesia
Neti Nurani
Department of Pediatrics, Faculty of Medicine,
Universitas Gadjah Mada/Dr. Sardjito General Hospital, Yogyakarta, Indonesia
Teguh Triyono
Department of Clinical Pathology, Faculty of Medicine, Universitas Gadjah Mada/Dr. Sardjito General Hospital, Yogyakarta, Indonesia
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