Chest... when I was younger I had the "little man complex" I wanted to show off only where I shinned. I was weakest on the chest routine, so it didn't get the required attention for a symmetrically sound physique. I looked pretty goofy with nice arms and the chest of a 10 year old LMAO. Now...
Honestly, in my opinion the last thing you want to do since you are recovering is jam a needle in your ass. Recovery is a slippery slope. I have helped hundreds of people overcome the hurdles that you will have to go over. I recommend being super clean. Not even beer until you are at least 2...
The good thing about AR is that the majority of the sponsors (the suppliers) pick a representative from the forum. They were members before the sponsors were screened. Once screened they picked a rep who has been active here. In short, all the reps here have an allegiance to the AR philosophy...