Yo everybdy, long time didn't write liao. Now doing attachment at hpb and ndc. I treated mi first adult patient.Then he veri impatient one leh wait 30 min onli den complain liao. He got clunks and clunks of calculus mi got quite tired cleaning it. but veri satisfied to see them come out. Though first paitent not a veri pleasant experence but interesting enough