| Literature DB >> 1968547 |
D M van der Heijde, P L van Riel, I H Nuver-Zwart, L B van de Putte.
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Year: 1990 PMID: 1968547 DOI: 10.1016/0140-6736(90)90771-v
Source DB: PubMed Journal: Lancet ISSN: 0140-6736 Impact factor: 79.321