RT Journal Article SR Electronic T1 Dynamite plunger plots should not be used. JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 361 OP 362 DO 10.1136/oem.55.5.361b VO 55 IS 5 A1 A Tobias YR 1998 UL http://oem.bmj.com/content/55/5/361.2.abstract AB