Hong C C, Armstrong M L
Lab Anim. 1978 Oct;12(4):243-4. doi: 10.1258/002367778781088567.
The foetuses were completely developed and were found in the peritoneal cavities of strain 13/N guinea-pigs in their 3rd pregnancies. One foetal placenta was attached to the left side of the peritoneal wall, the other adhered to the pyloric region of the stomach.
这些胎儿发育完全，是在13/N品系豚鼠第三次妊娠时于其腹腔中发现的。一个胎儿的胎盘附着于腹壁左侧，另一个则附着于胃的幽门区域。
