Referee's report by Conrad Hal Waddington, on a paper 'The growth of cell population and the properties in tissue culture of regenerating liver of the rat' by Michael Abercrombie and Robert D Harkness Sectional committee: Physiology Paper reference code: B17 Recommended for publication in the Proceedings, with Waddrington's suggestion the author be advised to shorten the paper to the required length. [Published in Proceedings B, 1951]. Date received not given. 13 March 1951