TY - BOOK AU - Trace element deficiency: metabolic and physiological conseq TI - Royal society discussion 28 and 29 January 1981 SN - 0 85403 171 5 PB - The Royal Society UR - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=7844 ER -