Authors: J A Merchant; J C Lumsden; K H Kilburn; W M O'Fallon; K Copeland; V H Germino; W N McKenzie; D Baucom; P Currin; J Stilman Journal: Br J Ind Med Date: 1974-10
Authors: E L Petsonk; S A Olenchock; R M Castellan; D E Banks; J C Mull; J L Hankinson; K C Bragg; H H Perkins; J B Cocke Journal: Br J Ind Med Date: 1986-03