TY  - RPRT
TI  - Changes in cotinine levels during pregnancy.
AU  - R P Ford
AU  - P J Schuter
AU  - D M Tappin
PY  - 1998
DO  - 10.1111/j.1479-828x.1998.tb02957.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9521390/
ID  - 9521390
ER  -