TY  - RPRT
TI  - Changes in amniotic fluid cathepsins with gestational age.
AU  - N S al-Zaid
AU  - K A Gumaa
AU  - M N Bou-Resli
PY  - 1989
UR  - https://pubmed.ncbi.nlm.nih.gov/2634067/
ID  - 2634067
ER  -