00785cam a22002291 4500 agr23000779 DLC 20260227110943.0 811121s1922 xx 000 0 eng agr23000779 (OCoLC)14809500 DLC DNLM DLC premarc RJ396 .M2 W1 ME449 no.68 Mann, Harold Charles Corry. Rickets: the relative importance of environment and diet as factors of causation: an investigation in London by H. Corry Mann ... London, H. M. Stationery off., 1922. 99 p. Medical Research Council (Great Britain) Special report series, no. 68 At head of title: Privy council. Medical research council. 8851 8851