NARA Discovery
NARA Subscribed Scholarly Literature Discovery
Boolean search: climate AND coral · microplastic OR nanoplastic · plastic NOT freshwater · "marine heatwave"
Advanced Search
Topic searches article titles and abstracts. Starts a new search; publisher and year refine it.
Searches article titles and abstracts.
Accepts bare DOI, doi: prefix, or a doi.org URL.
Complete publisher name. Publisher imprints are grouped under their main publisher where applicable.
Exact match by full journal title or ISSN.
G. Summa results 6 · Newest (Page 1/1, per page 25)
Export CSV Export RIS Export current results · up to 5,000 records
Author: G. Summa ×Clear All Filters
Search Results
Journal of Fish Biology · 2007 · Vol. 70 · Issue 1 · Wiley
Seasonal changes of testicular activity of the swordfish Xiphias gladius and correlations of plasma levels of testosterone (T) and 11‐ketotestosterone (11‐KT) with proliferation and apoptosis of germ cells, determined, respectively, with monoclonal antibodies against proliferating cell nuclear antigen and terminal deoxynucleotidyl transferase‐mediated d’UTP nick end labelling, are described. Three phases of the reproductive cy...