00538     2200169   4500001002100000008004100021035002000062245010700082100002000189260003500209300004500244084001600289520003100305082001100336650001000347990001100357INLIS000000000033228                                   Ind    a0010-1218015066  aBone metabolism and the action of prathyroid ectract: an enzymalogical approackcHEKKELMAN, Jan Willem  aJ. W. Hekkelman  aLeidenbLuctar et Emergoc1932  a131 p.: ill.; 25 cmc131 p.: ill.; 25 cm  a611.71 HEKb  aThesis (DR) Univ te Leiden  a611.71  aBONES  a102/64