Fix grammar in the sentence: International Journal of Astrobiology 4(4), 165-173. having a chirality opposite of ours, using some of the non-standard amino acids, or using arsenic instead of phosphorusDavies, P. C. W., Benner, S.A., Cleland, C.E., Lineweaver,C.H., McKay,C.
International Journal of Astrobiology 4(4), 165-173. having a chirality opposite of ours, using some of the non-standard amino acids, or using arsenic instead of phosphorus,Davies, P. C. W., Benner, S.A., Cleland, C.E., Lineweaver,C.H., McKay,C.