Author response.
Jipan
J
Xie
D000970:Antineoplastic Agents / Q000191:economics*; D001943:Breast Neoplasms / Q000188:drug therapy*; D002017:Budgets; D016527:Drug Costs / Q000639:trends*; D066246:ErbB Receptors; D005260:Female; D006801:Humans; D018719:Erb-b2 Receptor Tyrosine Kinases; D020123:Sirolimus / Q000031:analogs & derivatives*
D000970:Antineoplastic Agents; D066246:ErbB Receptors; D018719:Erb-b2 Receptor Tyrosine Kinases; D020123:Sirolimus