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. 1975 Sep 25;293(13):667.
doi: 10.1056/nejm197509252931317.

Letter: Increasing prevalence of subtype y of HBs AG in southwest Germany

G G Frösner, G B Ziegler

Letter: Increasing prevalence of subtype y of HBs AG in southwest Germany

G G Frösner et al. N Engl J Med. .
No abstract available

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