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ncbi.nlm.nih.gov
KUMAR, Naina; SINGH, Amit K.; CHOUDHARI, Ajay R. Impact of age on semen parameters in male partners of infertile couples in a rural tertiary care center of central India: A cross-sectional study. S. 497–502. International Journal of Reproductive Biomedicine [online]. 2017-08. Roč. 15, čís. 8, s. 497–502. Dostupné online. ISSN2476-4108. PMID29082368. (anglicky)
SILVA, Liliane FI; OLIVEIRA, Joao Batista A; PETERSEN, Claudia G; MAURI, Ana L; MASSARO, Fabiana C; CAVAGNA, Mario; BARUFFI, Ricardo LR. The effects of male age on sperm analysis by motile sperm organelle morphology examination (MSOME). Reproductive Biology and Endocrinology [online]. 2012-12. Roč. 10, čís. 1. Dostupné online. doi:10.1186/1477-7827-10-19. PMID22429861. (anglicky)
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KUMAR, Naina; SINGH, Amit K.; CHOUDHARI, Ajay R. Impact of age on semen parameters in male partners of infertile couples in a rural tertiary care center of central India: A cross-sectional study. S. 497–502. International Journal of Reproductive Biomedicine [online]. 2017-08. Roč. 15, čís. 8, s. 497–502. Dostupné online. ISSN2476-4108. PMID29082368. (anglicky)