TY  - RPRT
TI  - Abstinence should take priority in 'critical messages' to send.
AU  - J Van Valkenburg
PY  - 1990
DO  - 10.1097/00006205-199002000-00006
UR  - https://pubmed.ncbi.nlm.nih.gov/2308708/
ID  - 2308708
ER  -