It's a constrained market - people aren't going to buy more cisplatin or cephalosporin just because it's cheaper. (Yes, people do shop around for a butt enlarge

It's a constrained market - people aren't going to buy more cisplatin or cephalosporin just because it's cheaper. (Yes, people do shop around for a butt enlargement or Lasik but these things are strictly optional and can wait until the next month, however when you need a prescription drug you really need it.)