TY  - RPRT
TI  - Letter: Planned delivery.
AU  - C O'Herlihy
AU  - D MacDonald
PY  - 1975
DO  - 10.1016/s0140-6736(75)90025-2
UR  - https://pubmed.ncbi.nlm.nih.gov/49712/
ID  - 49712
ER  -