PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15930179-8 2005 GnRH-immunisation reduced (P<0.001) both type A/ intermediate spermatogonial and type B spermatogonial/ preleptotene spermatocyte number (56% of control) and leptotene/zygotene spermatocyte number (63% of control). leptotene 110-119 gonadotropin releasing hormone 1 Rattus norvegicus 0-4