Silveira C M, Cáceres V M, Dutra M G, Lopes-Camelo J, Castilla E E
Expanded Program on Immunization, Pan American Health Organization, Washington, DC 20037, USA.
Bull World Health Organ. 1995;73(5):605-8.
Reported are the results of the Latin American Collaborative Study of Congenital Malformations (ECLAMC), a hospital-based case-control study of 34,293 malformed and 34,477 matched nonmalformed newborn controls. No statistical differences were found between the malformed and control groups, exposed or not exposed to tetanus toxoid.
报告了拉丁美洲先天性畸形协作研究(ECLAMC)的结果,这是一项基于医院的病例对照研究,研究对象为34293名畸形新生儿和34477名匹配的非畸形新生儿对照。在暴露或未暴露于破伤风类毒素的畸形组和对照组之间未发现统计学差异。