Evaluation of [13N]ammonia positron emission tomography as a potential method for quantifying glutamine synthetase activity in the human brain by Egerton, A, Dunn, JT, Singh, N, Yu, Z, O'Doherty, J, Koychev, I, Webb, J, Claridge, S, Turkheimer, FE, Marsden, PK, Hammers, A, Gee, A

A method for accurate spatial registration of PET images and histopathology slices by Puri, T, Chalkidou, A, Roy, A, Henley-Smith, R, Barber, PR, Guerrero-Urbano, T, Oakley, R, Simo, R, Jeannon, J, McGurk, M, Odell, EW, O'Doherty, MJ, Marsden, PK