 NgoMsombuluko, usosayensi wase-Stanford University School of Medicine umemezele ithuluzi Elisha elikwazi ukuhlukanisa amagqamuzane ngezinhlobo zawo: ucezwana oluncane olunyathelisekayo olungakhandwa ngokusebenzisa imishini evamile yokunyathelisa ngokusesilinganisweni ngesenti elilodwa laseMelika. 