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[2]
ANDRESEN O, 1975, ACTA ENDOCRINOL-COP, V78, P385
[5]
Claus R, 1976, Berl Munch Tierarztl Wochenschr, V89, P354
[8]
Ewing L., 1977, The testis. Volume IV. Advances in physiology, biochemistry, and function., P239