TY  - RPRT
TI  - Spirometry and oral contraceptives.
AU  - S H Freedman
AU  - N E Anderson
PY  - 1973
DO  - 10.1016/s0002-9378(15)33134-3
UR  - https://pubmed.ncbi.nlm.nih.gov/4713132/
ID  - 4713132
ER  -