The GNU Free Documentation License states (Note: the following has been wikified and is unofficial):
This License applies to any manual or other work that contains a notice placed by the copyright holder saying it can be distributed under the terms of this License. The Document, below, refers to any such manual or work.
... congenita[?]
Aplasia cutis myopia[?]
Aplasia/hypoplasia of pelvis, femur, fibula, and ulna with abnormal digits and nails[?]
Aplastic anemia
Apo A-I ...