Will I have to work on Saturdays? <a href=" http://www.casacuseni.com/effexor-75-mg-tablets.pdf#length ">purchase effexor online</a> LISBON/RIO DE JANEIRO, Oct 2 (Reuters) - Brazil's Grupo OiSA, facing growing competition from foreign telecomcarriers, will combine with Portugal Telecom SGPS SA toform a new company with more than 100 million subscribers andalmost $19 billion in annual revenue.