1 2 3 1 _ _ _ 2 _ _ _ 3 _ _ _ ACROSS 1) an antiviral drug (trade name retrovir) used in the treatment of aids; adverse side effects include liver damage and suppression of the bone marrow 2) the act of hauling something (as a vehicle) by means of a hitch or rope 3) the sound made by a cow or bull DOWN 1) a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade 2) the facility where wild animals are housed for exhibition 3) the cardinal number that is the sum of one and one or a numeral representing this number ** Scroll down for solution. ** Are you sure you want to peek? azt tow moo