Frank Kupfer

Music · MusicBrainz

Type

Person

Country

DE

Active from

1988-02-27

via MusicBrainz · CC0

Recent publications · Crossref

5 total works indexed

1. The Pittsburgh sleep quality index: A new instrument for psychiatric practice and research

   · 1989 · cited 28,416x

2. The SILVA ribosomal RNA gene database project: improved data processing and web-based tools

   · 2012 · cited 28,360x

3. Intermolecular interactions from a natural bond orbital, donor-acceptor viewpoint

   · 1988 · cited 16,583x

4. Accurate normalization of real-time quantitative RT-PCR data by geometric averaging of multiple internal control genes

   · 2002 · cited 15,909x

5. The american rheumatism association 1987 revised criteria for the classification of rheumatoid arthritis

   · 1988 · cited 15,764x

via Crossref · CC0