RT Journal Article SR Electronic T1 Toxicity of lead at low dose. JF British Journal of Industrial Medicine JO Br J Ind Med FD BMJ Publishing Group Ltd SP 288 OP 288 DO 10.1136/oem.47.4.288 VO 47 IS 4 A1 Bell, A YR 1990 UL http://oem.bmj.com/content/47/4/288.abstract AB