| SNC | spontaneous neonatal chylothorax |
|---|---|
| SONH | spontaneous osteonecrosis of the hip |
| SONK | spontaneous osteonecrosis of the knee |
| SP | sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; semi-private [room]... |
| SPA | salt-poor albumin; sheep pulmonary adenomatosis; sperm penetration assay; spinal progressive amyotro... |