| A/P | abdominal/perineal; antepartum; ascites/plasma [ratio] |
|---|---|
| per | perineal; periodicity, periodic |
| PNB | p-nitrobiphenyl; perineal needle biopsy; peripheral nerve block; premature nodal beat |
| CDH | 1) Chronic Daily Headache = CTH = ... |
| CDH | ceramide dihexoside; congenital diaphragmatic hernia; congenital dislocation of hip; congenital dysp... |