Elder E
N Z Med J. 1985 Oct 23;98(789):898-901.
The perinatal mortality of the last 1500 deliveries from the Tuatapere general practice area was studied. The first 500 cases, 1964-70, had a perinatal mortality of 24/1000 births; second 500, 1970-76, a mortality of 14/1000 births; and third 500, 1977-84, mortality of 4/1000 births.
对图阿塔佩雷全科医疗地区最近1500例分娩的围产期死亡率进行了研究。头500例(1964 - 1970年),围产期死亡率为每1000例出生24例;接下来500例(1970 - 1976年),死亡率为每1000例出生14例;最后500例(1977 - 1984年),死亡率为每1000例出生4例。