Original Article Published: 31 May 2017 Synthesis and structure–activity relationships of novel lincomycin derivatives. Part 4: synthesis of novel lincomycin analogs modified at the 6- and 7-positions ...

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DHAKA, Bangladesh (AP) — Former Bangladeshi Prime Minister Khaleda Zia, whose archrivalry with Sheikh Hasina defined the country’s politics for a generation, has died, her political party said in a ...

DHAKA, Bangladesh(AP) — Former Bangladeshi Prime Minister Khaleda Zia, whose archrivalry with another former premier defined the country’s politics for a generation, has died, her Bangladesh ...

Sleep has two phases: non-rapid eye movement (NREM) and rapid eye movement (REM). It also has four stages that repeat in 4 to 6 cycles nightly. Each stage affects your body differently, from light ...