The question of whether to go for a rugged, full body case is always a tough one. (crackberry.com)
The discovery was made by carrying out molecular analysis of materials previously thought to be of little interest — debris inside burial containers and residues on skeletal remains and plaster body casings. (sciencedaily.com)
So when gas ratios are found in meteorites clearly from a planetary body the case for Mars is further validated. (meteorite.com)