APA-čujuhus (7. p.)
Jager, S. (1980). Immunoglobulin Class of antispermatozoal antibodies and inhibition of sperm penetration into cervical mucus.
Chicago-čujuhus (17. p.)
Jager, Siemen. Immunoglobulin Class of Antispermatozoal Antibodies and Inhibition of Sperm Penetration into Cervical Mucus. Groningen, 1980.
MLA-čujuhus (9. p.)
Jager, Siemen. Immunoglobulin Class of Antispermatozoal Antibodies and Inhibition of Sperm Penetration into Cervical Mucus. 1980.
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