Joseph Tein Jan 2, 2014:

Cosnautas Are you familiar with the Cosnautas site? www.cosnautas.com

Here's what they have just for PO ... you would also find p.o., Po, and P.o. :

1 papila óptica || ◊ OD (optic disc); ONH (optic nerve head)
2 [AR] Partido Obrero
3 pedúnculo olfativo (u olfatorio) || ◊ OP (olfactory peduncle)
4 pérdida ósea
5 perioperatorio
6 peroxidasa || ≡ POD
7 Pityrosporum ovale {→ P.o. 1}
8 polimiositis osificante {→ PMO 3}
9 poliquistosis ovárica {→ SOP 3}
10 Polonia; polaco {→ PL 13}
11 Pontevedra
12 por orden {→ p.o. 1}
13 Portugal {→ P 36}
14 portugués {→ PT 20}
15 postoperatorio (o posoperatorio) || ≡ pos., Posop., Postop., POP, PQ, PQx (posquirúrgico)
16 [BO] Potosí
17 preparado oficial
18 presión ocular {→ PIO 2}
19 presión oncótica {→ π 1}
20 presión osmótica || ≡ Posm || ◊ OP (osmotic pressure)
21 presión (parcial) de oxígeno {→ pO2 1}
22 proteinuria ortostática || ◊ OP (orthostatic proteinuria)

neilmac Jan 2, 2014:

Capital letters Upper case. They exist for a reason. I'd tell the client to use them in future...

Charlotte Farrell (asker) Jan 2, 2014:

Oo that could be it :)

Rachel Fell Jan 2, 2014:

postoperatorio?