Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
External anomalies: (A) a normal fetus of the negative control; (B) a fetus from a female rat administered KACY at 1000 mg/kg shows small size; (C–E) fetuses treated with ASA at 250 mg/kg show exencephaly (C), craniorachischisis (D), and gastroschisis and exencephaly (E).
