TY  - RPRT
TI  - Difficulties in obtaining preregistration posts.
AU  - H Yellowlees
PY  - 1983
DO  - 10.1016/s0140-6736(83)91304-1
UR  - https://pubmed.ncbi.nlm.nih.gov/6139601/
ID  - 6139601
ER  -