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| CJCP
2007 9 (6):
557-558
ISSN: 1008-8830 CN: 43-1301/R
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| Serum levels of IgG subclasses and vitamin A in children with recurrent respiratory tract infection |
| QIAN Li, LU Ji-Rong. |
| Nanjing Children's Hospital Affiliated to Nanjing Medical University, Nanjing 210008, China. |
| Received: null Revised: null Online: null |
Supporting info
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