CD-4 (disambiguation)
From Wikipedia, the free encyclopedia
CD-4 can refer to the following:
- child development-4 — child development education for four year olds
- Compatible Discrete 4 or Quadradisc — quadraphonic gramophone record format developed by JVC
The non-hyphenated form CD4 can refer to:
- Cluster of differentiation 4, one of the many cell surface molecules present on leukocytes
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