TY  - RPRT
TI  - Problems in everyday practice.
AU  - J W Nelson
AU  - A Tye
AU  - H H Wolf
PY  - 1966
DO  - 10.1016/s0003-0465(15)31626-8
UR  - https://pubmed.ncbi.nlm.nih.gov/5943507/
ID  - 5943507
ER  -