00441nam a2200133Ia 4500008004100000040001300041050001400054245010300068260004500171300002100216500001900237650001500256700003600271100422 1958       a   g|    |||1 ||eng|d  aA.B.U Za  aQD 415.A1 2aA Symposium on The Chemical Basis of Development /cedited by William D. McElroy and Bentley Glass  aBaltimorebthe johns hopkins pressc1958  axi., 934p., ill.  aIncludes Index  aEmbryology  aMcElroy William D;Glass Bentley