Jennings, RT; Santy, PA (1990). "Reproduction in the space environment: Part II. Concerns for human reproduction". Obstetrical & Gynecological Survey. 45 (1): 7–17. doi:10.1097/00006254-199001000-00006. PMID2405309.
Jennings, RT; Santy, PA (1990). "Reproduction in the space environment: Part II. Concerns for human reproduction". Obstetrical & Gynecological Survey. 45 (1): 7–17. doi:10.1097/00006254-199001000-00006. PMID2405309.