Ernst Nyström, Göran Lindstedt, Robert Eggertsen, Per-Arne Lundberg, Ken Petersen
Nyström E, Lindstedt G, Eggertsen R, Lundberg P, Petersen K.
Screening for thyroid disease: Authors' reply
British Medical Journal 1989; 298 :385
doi:10.1136/bmj.298.6670.385-c