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Analysis of 31 cases of gestational trophoblastic neoplasms at the University of Benin Teaching Hospital, Benin City, over a 71/2 year period (1/1/75 to 6/30/82) was carried out. The incidence of this disease was 1:656 deliveries. Although it was more prevalent in grandmultipara, it occurred in all parities and ages. The main clinical features were secondary amenorrhea, vaginal bleeding, uterine enlargement, and vaginal secondaries. The most common gestational antecedent event of gestational...
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Dostal, J., Dupuy, C., Chikhauoi, M. and Zentilli, M., 1984. Uranium and thorium in Late Proterozoic volcanic rocks from northwestern Africa. Chem. Geol., 42: 297--306. The abundances of U and Th in the Late Proterozoic calc-alkaline volcanic rocks of northwest Africa which have undergone low-grade metamorphism, are highly variable. Dacites and rhyolites have higher contents of these elements than basic rocks although there is no obvious correlation of U and Th with SiO v In the acidic...
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Abstract The use of a school guidance service to transmit the economic and cultural interests of the ruling group(s) in a country is explored through the case-study of guidance in the Republic of South Africa, and in particular the introduction of guidance as a subject in Black schools in 1981. An analysis of the syllabus for guidance in Black schools reveals a social-control strategy on the part of the power group, which is different to that used within the White guidance service. Whereas...
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Abstract The use of a school guidance service to transmit the economic and cultural interests of the ruling group(s) in a country is explored through the case-study of guidance in the Republic of South Africa, and in particular the introduction of guidance as a subject in Black schools in 1981. An analysis of the syllabus for guidance in Black schools reveals a social-control strategy on the part of the power group, which is different to that used within the White guidance service. Whereas...
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One hundred and six students in their last two years of medical studies at an Egyptian national university answered a questionnaire providing insight into their attitudes towards family planning. Results indicate that about a quarter of the male respondents viewed family planning as intrinsically against Islam; this is in contrast to a much smaller fraction of the female sample. Most students were critical of the efficiency of the family planning services currently available in Egypt....
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Several studies indicated that serotype/biotype c strains are the most common on a global basis, but that regional differences may occur relative to other serotype/biotypes. Of particular interest is the observation that individuals residing in the Middle East have higher incidences of serotype e and d strains relative to their levels in American citizens. This could reflect exposure to different Streptococcus mutans serotypes during the period in which the teeth are colonized, or might...