TY  - RPRT
TI  - Blue paraffin wax blocks: a solution to the problem.
AU  - J Kulka
AU  - J D Davies
PY  - 1994
DO  - 10.1136/jcp.47.2.187-a
UR  - https://pubmed.ncbi.nlm.nih.gov/7510727/
ID  - 7510727
ER  -