| 2004 | |||
| 6(1):1–55 | 6(2):56–100 | 6(3):101–144 | |
| 6(4):145–187 | 6(5):188–228 | 6(6):229–276 | |
| 6(Suppl 1) | 6(Suppl 2) | JCP 2004;65(Suppl 5) (EC) | |||
| JCP 2004;65(Suppl 16) (EC) | - | - | |||
| EC = Editor's Choice; in 2004, Editor's Choice supplements no longer were numbered as separate PCC supplements. | |||||