recent investigations on marsupial neurohypophysial hormones have revealed that species belonging to the australian family macropodidae and the american family didelphidae have , apart from an oxytocin-like hormone , two vasopressin-like peptides which can be separated either by ion-exchange chromatography or chromatoelectrophoresis .
C0032017
neurohypophysial hormones
C0030095
oxytocin