Determine mortality patterns of the Iron Age Iberian Children

Human primary teeth start to form between the sixth and eighth week of prenatal development. An accentuated marking line, the neonatal line (NNL), forms at birth caused by the...人类乳牙于胚胎发育的第6至第8周开始形成。一条增宽的标记线——新生线（neonatal line, NNL）——于出生时形成，其成因是……