Conflict of interest over Harvard drug.
Shulman
S
S
D015352:Dry Eye Syndromes / Q000188:drug therapy*; D004989:Ethics; D006801:Humans; D009824:Ointments; D010593:Pharmaceutical Services / Q000191:economics; D014212:Tretinoin / Q000627:therapeutic use*
D009824:Ointments; D014212:Tretinoin