Statistics
Publications
23
Citations
1.8K
H-Index
16
Active since
1965
Fred M. Johnson is an author at California State University, Fullerton specializing in natural sciences, spectroscopy, and optical spectroscopy.
Publications per year
1965–2023
23
23
In vitro cellular effects of hematoporphyrin derivative.
Michael W. Berns, Anton Dahlman, Fred M. Johnson et al. · PubMed · 1982 · 192 citations
Jack A. Weichman, Fred M. Johnson · Oral Surgery Oral Medicine Oral Pathology · 1971 · 90 citations
Dentistry, Endodontics, Periodontics +12
Jack A. Weichman, Fred M. Johnson, Lawrence K. Nitta · Oral Surgery Oral Medicine Oral Pathology · 1972 · 48 citations
Dentistry, Endodontics, Periodontics +12
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