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It is technically demanding to measure the energetic cost of animal flight. Each of the previously available techniques has some disadvantage as well advantages. We compared measurements of the(More)
The rff genes of Salmonella typhimurium include structural genes for enzymes involved in the conversion of UDP N-acetyl-D-glucosamine (UDP-GlcNAc) to UDP N-acetyl-D-mannosaminuronic acid(More)