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2. Terraforming: making an Earth of Mars. McKay CP Planet Rep; 1987; 7(6):26-7. PubMed ID: 11539058 [TBL] [Abstract][Full Text] [Related]
3. Gathering evidence: the case for past life on Mars. Wharton RA Space World; 1988; Sep():20-1, 23-4. PubMed ID: 11539064 [TBL] [Abstract][Full Text] [Related]
4. Could the early environment of Mars have supported the development of life? McKay CP; Stoker CR Earth Space; 1990 Jan; 2(5):10-2. PubMed ID: 11538711 [TBL] [Abstract][Full Text] [Related]
5. Did Mars once have martians? McKay CP Astronomy; 1993 Sep; 21():27-33. PubMed ID: 11540045 [TBL] [Abstract][Full Text] [Related]
6. Mars exploration: going underground. Reichhardt T Nature; 2005 May; 435(7040):266-7. PubMed ID: 15902222 [No Abstract] [Full Text] [Related]
9. Life as a planetary phenomenon: the colonization of Mars. Margulis L; Guerrero R Microbiologia; 1995; 11():173-84. PubMed ID: 11539563 [TBL] [Abstract][Full Text] [Related]
10. Human exploration of Mars. Gwynne O; McKay C; Zubrin R Spaceflight (Lond); 1991 Jun; 33(6):208-12. PubMed ID: 11538096 [TBL] [Abstract][Full Text] [Related]
11. Early martian environments: the Antarctic and other terrestrial analogs. Wharton RA; McKay CP; Mancinelli RL; Simmons GM Adv Space Res; 1989; 9(6):147-53. PubMed ID: 11537365 [TBL] [Abstract][Full Text] [Related]
12. Gaia and the colonization of Mars. Margulis L; West O GSA Today; 1993 Nov; 3(11):277-80, 291. PubMed ID: 11540252 [TBL] [Abstract][Full Text] [Related]
14. A search for life on Earth from the Galileo spacecraft. Sagan C; Thompson WR; Carlson R; Gurnett D; Hord C Nature; 1993 Oct; 365(6448):715-21. PubMed ID: 11536539 [TBL] [Abstract][Full Text] [Related]
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16. Past, present, and future life on Mars. McKay CP Gravit Space Biol Bull; 1998 May; 11(2):41-50. PubMed ID: 11540637 [TBL] [Abstract][Full Text] [Related]
17. Noble gases in atmospheres. Ozima M; Wada N Nature; 1993 Feb; 361(6414):693. PubMed ID: 11536530 [No Abstract] [Full Text] [Related]
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