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Description
Transition refers to the substitution of a purine for a purine or a pyrimidine for a pyrimidine (conserved substitution)

doi: 10.1038/nrm3151 56 MehrotraS.VermaS.KumarS.KumariS.MishraB

Southwests new policy goes a step further, aligning with practices already adopted by some Asia-based carriers, including Singapore Airlines, AirAsia and all South Korean airlines, according to Reuters

Gale N, McEwan M, Eldridge AC, Fearon IM, Sherwood N, Bowen E, McDermott S, Holmes E, Hedge A, Hossack S, Wakenshaw L, Glew J, Camacho OM, Errington G, McAughey J, Murphy J, Liu C, Proctor CJ (2019) Changes in biomarkers of exposure on switching from a conventional cigarette to tobacco heating products: a randomized, controlled study in healthy Japanese subjects

The Bow Bar makes up for the lack of food with atmosphere a nofrills, old school decor, a traditional gantry displaying the whisky bottles and the opportunity for a chat with the bar staff or locals

(2012) 21, no
