The Importance and Validity of Technical Assumptions Required for Quantifying Sperm Production Rates: A Review, William E. Berndtson
New Hampshire Agricultural Experiment Station Publications

Replication Needed to Distinguish Alterations in Cell Ratios, the Frequency of Individual Stages of the Cycle of the Seminiferous Epithelium, or the Appearance of Abnormalities in the Testes of Rodents, Rabbits, or Humans, William E. Berndtson
New Hampshire Agricultural Experiment Station Publications

Replication Needed to Detect Alterations in the Composition of Rodent, Rabbit, or Human Testes via Volume Density Approaches, William E. Berndtson
New Hampshire Agricultural Experiment Station Publications