Rh factor (abbreviated from Rhesus Factor) is not something that you can change--your Rh factor was decided when you were conceived, as determined by the Rh factors of your mother and father.
Euripides (Rhesus, 29) confuses the two Sarpedons.
In the time of Photius the poets usually studied at school were Homer, Hesiod, Pindar; certain select plays of Aeschylus (Prometheus, Septem and Persae), Sophocles (Ajax, Electra and Oedipus Tyrannus), and Euripides (Hecuba, Orestes, Phoenissae, and, next to these, Alcestis, Andromache, Hippolytus, Medea, Rhesus, Troades,) also Aristophanes (beginning with the Plutus), Theocritus, Lycophron, and Dionysius Periegetes.
Crab-eating macaques from Asia are by far the most heavily traded monkeys, followed by rhesus and squirrel monkeys.
One SHIV used in monkeys and mutated into a pathogen so powerful that it kills rhesus macaques in weeks  .