Chinese antitrust officials asserted that the pfizer / wyeth combination would control half of the domestic market for mycoplasma hyopneumoniae ( mh ) vaccines , used to inoculate pigs .
Bilingualism brings benefits to asian-american children 's mh
双语有利于亚裔小孩的心智发育
According to china 's commerce ministry , given the high technical barriers to enter the mh vaccine market , pfizer would " very likely " employ its advantage to " harm " rivals .
