TRoere avo laboratory esnorine ts fvon thich one can conpars 4 ‘ a das tresga mn de nem c Leen em aad Ciseriniantion betwoon cnlciusaesiventiva along the chain the against the valucs that are observed in the ficld, The covrvels- cown hove (indicatinz). At this ston, stroatiua unlis the lavovetory cupovinonis snow in gonoral tho or the Sunshine units and yvetatation would bo 7 a * ah Fa of one-half or one-third, love (indieatins) Wg 4 ~ net . * A 2. we = This is somovhat pronimnate but a good the vozotation ig higher than the soil. tion on this nowe-is part of the cetivat foto tation had not cone fron the soil and rsots, but rather fron GQ aire ~ rotontion on the lonves--not setting into tha soili--so the correlation betwoon the soils is a spurious one. On the human bones, the activity is low Fecause tho fetuses have partially flliersd throush the mothes, whoreas with a grove ing child it would bo lover. As Dr, Lindberg mentioned, 2 strontiun-caleium ratio relative to food--he said .2. fF kave worked with .3, but it is in the general vanze, Tnero 1s one furthor step (chalk domenstration) made on (illustrating) This is an cqudlibrirn condition which kas