Welcome to the 1520 Perfect Dictionary
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| Rhesus factor | |
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| RHESUS FACTOR Definition: (medical) A substance present in the red blood cells of around 85% of humans. Its presence (rhesus positive) or absence (rhesus negative) can be dangerous for babies when they are born and for people having blood transfusion. ___________________________________ See perfect substance (1). _____ See perfect presence (2). See perfect absence (2). _____ See perfect wow factor. | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |