By contrast, many developing countries receive far more calls than they make.

ECONOMIST: TELEPHONE TRAFFIC

Dr. Kaul is an internationally recognized heart researcher renowned for developing microbubble-based myocardial contrast echocardiography for the early detection of coronary heart disease.

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In contrast, the Saturday Walking Street is developing a reputation of having more authentic handicrafts and being less commercial than the Sunday Walking Street.

BBC: Shopping in Chiang Mai