Hill, M; Lukác, D; Lapcík, O; Sulcová, J; Hampl, R; Pouzar, V; Stárka, L (1999). «Age relationships and sex differences in serum levels of pregnenolone and 17-hydroxypregnenolone in healthy subjects». Clinical chemistry and laboratory medicine : CCLM / FESCC37 (4): 439-47. PMID10369116. doi:10.1515/CCLM.1999.072.
Riepe FG, Mahler P, Sippell, Partsch CJ. Longitudinal Study of Plasma Pregnenolone and 17-Hydroxypregnenolone in Full-Term and Preterm Neonates at Birth and during the Early Neonatal Period. The Journal of Clinical Endocrinology & Metabolism (2002) 87: 4301-4306 [1]Archivado el 16 de mayo de 2011 en Wayback Machine.
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ncbi.nlm.nih.gov
Hill, M; Lukác, D; Lapcík, O; Sulcová, J; Hampl, R; Pouzar, V; Stárka, L (1999). «Age relationships and sex differences in serum levels of pregnenolone and 17-hydroxypregnenolone in healthy subjects». Clinical chemistry and laboratory medicine : CCLM / FESCC37 (4): 439-47. PMID10369116. doi:10.1515/CCLM.1999.072.
Riepe FG, Mahler P, Sippell, Partsch CJ. Longitudinal Study of Plasma Pregnenolone and 17-Hydroxypregnenolone in Full-Term and Preterm Neonates at Birth and during the Early Neonatal Period. The Journal of Clinical Endocrinology & Metabolism (2002) 87: 4301-4306 [1]Archivado el 16 de mayo de 2011 en Wayback Machine.