High expression levels of ITGB8 are associated with high angiogenic and poorly invasive glioblastoma tumors . Conversely low expression of ITGB8 correlates with highly invasive but low angiogenic tumors .
High expression levels of ITGB8 are associated with highly angiogenic and poorly invasive glioblastoma tumours . Conversely , low expression of ITGB8 correlates with highly invasive but low angiogenic tumors .

Are these two sentences paraphrases of each other?
yes

The Pearl River is actually two alluvial deltas , which are separated by the core branch of the Pearl River Delta .
The Pearl River Delta is actually two alluvial deltas , separated by the core branch of the Pearl River .

Are these two sentences paraphrases of each other?
no

Total Population : 333 of which 49.8 % were female and 50.2 % were male .
The total population was 333 , of which 49.8 % were female and 50.2 % were male .

Are these two sentences paraphrases of each other?
yes

Teewurst was invented in Poland , probably in the small Baltic town of Rugenwalde ( now Darowo , Pomerania ) , in the middle of the 19th century .
Teewurst was invented in the middle of the 19th century in Poland , probably in the small Baltic town of Rugenwald ( today Darowo , Pomerania ) .

Are these two sentences paraphrases of each other?
yes