TY  - RPRT
TI  - Administration practices vary for different surfactant preparations.
AU  - M V Collins
AU  - K Braune
DO  - 10.1111/j.1552-6909.1990.tb01664.x
UR  - https://pubmed.ncbi.nlm.nih.gov/2088332/
ID  - 2088332
ER  -