Heikki J. Helin

Identification of differentially expressed genes in human gliomas by DNA microarray and tissue chip techniques.

S L Sallinen, P Sallinen, Hannu Haapasalo et al. · PubMed · 2000 · 333 citations

Engineering, Tumor Innervation, Genetics +22

Reduced E-Cadherin Expression is Associated With Invasiveness and Unfavorable Prognosis in Breast Cancer

Sanna Siitonen, Juha Kononen, Heikki J. Helin et al. · American Journal of Clinical Pathology · 1996 · 301 citations · Full text

Renal biopsy findings and clinicopathologic correlations in rheumatoid arthritis

Heikki J. Helin, Markku M. Korpela, Jukka Mustonen et al. · Arthritis & Rheumatism · 1995 · 193 citations

Evaluation of cell proliferation in breast carcinoma. Comparison of Ki-67 immunohistochemical study, DNA flow cytometric analysis, and mitotic count

Jorma Isola, Heikki J. Helin, M Helle et al. · Cancer · 1990 · 171 citations · Full text

Prognostication of astrocytoma patient survival by Ki‐67 (MIB‐1), PCNA, and S‐phase fraction using archival paraffin‐embedded samples

P Sallinen, Hannu Haapasalo, Tapio Visakorpi et al. · The Journal of Pathology · 1994 · 165 citations