On Doctoring MEDLINE searches, with reference librarian comments

The question was

"What is the incidence of gynecomastia in mature
adults as a consequence of testosterone therapy for Klinefelter's
Syndrome."

1 :  Testosterone/ad,ae,ct,tu [Administration & Dosage, Adverse         {3111}
Effects, Contraindications, Therapeutic Use]
2 :  Gynecomastia/ or "gynecomastia".mp.         {2034}
3 :  Gynecomastia/ci,et,th [Chemically Induced, Etiology,         {832}
Therapy]
4 :  Klinefelter's syndrome/ or Testosterone/         {37776}
5 :  Klinefelter's syndrome/co,pc,dt,en,th [Complications,         {715}
Prevention & Control, Drug Therapy, Enzymology, Therapy]
6 :  1 and 3 and 5         {1}
7 :  from 6 keep 1          { 1}

Reference Librarian comments

Good job. I would always "explode" MeSH terms, though. I'm
wondering if you'd get more if you drop the Klinefelter angle. I
have no idea if this would be interesting to you.

I think I'll try it and see:

Medline 1966 to February 1999

#
Search History
Results

1 : 
exp testosterone/ad,ae,ct,tu
3466

2 : 
exp gynecomastia/ci,et
816

3 : 
1 and 2
19

4 : 
limit 3 to human
19

.... Ah well, just a slightly different approach. Congrats, etc., on
your MEDLINE strategy.