A A1c A2 a aa AA A&A A-a AAA AABB AAC AACN AACP AAD AADP AADR AADS AAE AAFP AAGP AAI AAID AAL AAMA AAMD AAMT AAN AANA AAO AAO3 AAOS AAP AAPA AAPB AAPMC AAPMR AART AAS AAT AAV Ab, ab AB A/B A&B ABA ABC ABD, Abd, abd ABE ABEP ABF ABG ABI ABL ABLB ABMT ABN, Abn, abn ABP ABPA ABR abs ABS abst, abstr ABV abx ac a.c. AC Ac ACA ACAT ACBE ACBG ACBS ACC ACCP ACD ACDF ACE ACEI ACEP ACF ACG AChRab ACI ACL ACLF ACLS ACNM ACOG ACOS ACP ACPS ACRM ACS ACSM ACT ACTH ACTH-RF ACV ACVD AD ADA ADAA ADC ADD ADDU ADE ADEM ADG ADH ADHA ADHD adhib ADI ADL, ADLs ad ad lib. adm, admit admov ADO ADR ADS ADT ADTP AdV AE AEA AED AEq AER AF Af AFB AFBG AFL AFO AFP AFRD AFS AFTP AFV AG Ag AGA AGC AGE AGF AGG AGL AGN AGS AH Ah A&H AHA AHC AHD AHIMA AHP AHS AI AICD AID AIDS AIH AIHA AILD AK AKA A/kg AL ALA ALARA ALS am a.m. AM AMA Amb, amb AMBL AMH AMI A-mod AML AMP AMPPE AMRA AMRL amt ANA ANC anes ANS ant ante ANUG AOA AOB AOTA AP A&P APA APACHE APB APC APC-C APD APE APGAR APH APHA APKD APN apo APPG APR APRT APPT, aPTT APUD AQS Ar AIIRAs ARC ARD ARDMS ARDS ARF Arg ARL ARM ARP ARSB ART ARVD AS ASA ASAL ASAS ASCH ASCI ASCLT ASCO ASCP ASF ASGE ASH AsH ASHA ASIM ASL Asn ASRT ASS ATA ATC ATL atm ATP ATPase ATS att ATT AU Au AUA AUG AUL AV A-V AVM AVN AVR A&W AWI AZT