nullipara-
Clinical study of 145 cases of tubal obstruction sterile induced by drug abortion for nullipara
145例未产妇药物流产致输卵管阻塞性不孕的研究
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The induced abortion women in China have the characters of low age , unmarried , nullipara , increased ratio among floating population , increased repeated induced abortion .
目前我国人工流产妇女呈现出低龄化变化、未婚、未产、流动人口比例升高、重复性人流率的逐年升高的特点。
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nullsomy
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number field
number line
number of arousal
number of components
number of molecules
number of permutations
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Number of stream processors
null hypothesis
null allele
Nukunonu
Nukulaelae
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Nuer
Nudibranchia
nuclosidephosphoryalse
nucleus pulposus
nucleus of trochlear nerve