BACKGROUND The proportion of low birthweight babies (LBW: 1500-2499 g) in Japan decreased steadily from 1950 to the 1970s. However, since then it has started to increase consistently, the reason for which has not been discussed in detail. METHODS Trends of birthweight and the two known factors for low birthweight (maternal smoking, and pre-pregnancy weight) were analysed with vital statistics...

This paper introduces and discusses Occitan sociolinguistics as it evolved from the 1970s onward a theory of language contact conflict. It was developed in conjunction with its Catalan counterpart reaction to Joshua Fishman's allocational model diglossia, came response conditions swift social linguistic change Southern France after Second World War. model, proposed mainly at first by Robèrt Laf...

The portrayal of the leader image in revolutionary historical films is an indispensable part creation, which has begun since mid-1950s and continued to this day. In terms shaping Chairman, performance's different focuses. After establishment country, Chairman was greatly sought after. 1970s, appeared on screen, gradually changed from "deification" returning "mortal" becoming a spiritual guide. ...

In contrast with the more arid savannah areas of West Africa, the central Guinea savannah (or V-Baoulé) of Côte d’Ivoire does not suffer from important forage shortage during the dry season. Since the 1970s the Ivorian government has made considerable efforts to increase local cattle-breeding activities in the area, which is suitable for trypanotolerant livestock production. Trypanosomosis cont...