R Respiratory System and Otorhinolaryngology (ENT)

History of bronchology, otology, rhinology, and laryngology

R	Otorhinolaryngology and respiratory system
RA	Ear
RB	Deafness; Hearing Disorders
RD	The Deaf; Deaf-mutism; Education of the Deaf
RH	Inner Ear
RI	Nose
RI.PR	Catarrh
RI.RSS	Rhinoplasty (Plastic Surgery of the Nose)
RJ	Smell
RK	Sneezing
RQC	Maxillary Sinus
RS	Throat
RSM	Voice
RSS	Pharynx
RT	Respiratory System. Chest. Male Breast
RT.F	Respiration
RW	Lungs
RW.PM	Lung Cancer