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- Springer 4
- Hayle Medical 3
- Springer Verlag, Singapore 3
- Cambridge University Press 2
- Foster Academics 2
- Springer Nature Switzerland AG 2
- Springer Nature Singapore 2
- Springer International Publishing AG 2
- Randox 1
- IntechOpen 1
- Springer-Verlag Berlin and Heidelberg GmbH & Co. KG 1
- American Medical Publishers 1
- Elsevier Health Sciences 1