TY  - RPRT
TI  - How to evaluate national suicide programs?
AU  - J F Kerkhof
AU  - D C Clark
PY  - 1998
DO  - 10.1027/0227-5910.19.1.2
UR  - https://pubmed.ncbi.nlm.nih.gov/9639964/
ID  - 9639964
ER  -