Letter from D C Martin, on a paper 'Osmoregulation in surviving slices from the kidneys of adult rats' by J R Robinson, to Archibald Vivian Hill Paper reference code: B17 Robinson has now made the amendments suggested by Hill. Martin requests Hill to look over the paper again and if he considers it acceptable. Written at The Royal Society, Burlington House, London [England]. [Published in Proceedings B, 1950]. Endorsed on recto as received 31 May 1950. 19 May 1950